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Std ID |
Description (Standard Title) |
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HG/T 21551.2-1995
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(Manual discharge valve plunger cast)
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HG/T 21551.3-1995
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(Stainless steel manual discharge valve plunger)
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HG/T 21551.4-1995
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(Steel electric discharge valve plunger)
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HG/T 21551.5-1995
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(Cast stainless steel plunger electric discharge valve)
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HG/T 21551-1995
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Plunger Type Dump Valve
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HG/T 2155-1991
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Potassium persulfate for industrial use
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HG/T 2155-2006
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Potassium persulfate for industrial use
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HG/T 21552-1993
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Universal Drawing of Truss Type Reinforced Concrete Pipeline Rack
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HG/T 21553-1993
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Universal Drawing of Steel Planking
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HG/T 21554.1-1995
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Saddle Ring Packing
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HG/T 21554.2-1995
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Stainless Steel Saddle Ring Packing
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HG/T 21556.1-1995
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Pall ring packing
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HG/T 21556.2-1995
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Pall ring packing
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HG/T 21556.3-1995
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Pall ring packing
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HG/T 21556.4-1995
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Pall ring packing
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HG/T 21557.1-1995
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Cascade ring packing
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HG/T 21557.2-1995
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Cascade ring packing
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HG/T 21557.3-2006
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Plastic cascade ring packing
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HG/T 21558-1994
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(Rubber plant process design requirements)
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HG/T 21558-2011
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Code for design on process technics of rubber factory
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HG/T 21559.1-1995
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Stainless steel netted plat corrugated packing
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HG/T 21559.1-2013
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Engineering technical specification for stainless steel punched-mesh corrugated-sheet structured packings
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HG/T 21559.2-2005
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Stainless steel perforated plate corrugated packing standard
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HG/T 21559.3-2005
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Stainless steel wire corrugated packing standard
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HG/T 21561-1994
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The ABS pipes and fittings series
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HG/T 2156-1991
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Determination of anionic surface active agent in industrial circulating cooling water Methylene blue spectrophotometric method
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HG/T 2156-2009
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Determination of anionic surfactants in industrial circulating cooling water. Spectrophotometric method using methylene blue
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HG/T 21562-1994
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(PTFE lined pipe and fittings)
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HG/T 21563-1995
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Combination, Selection and Technical Requirements of Stirring Transmission Device System
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HG/T 21564-1995
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Stirring Transmission Device - Male Flange
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HG/T 21565-1995
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Stirring Transmission Device - Bottom Cover
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HG/T 21566-1995
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Stirring Transmission Device - Single-pivot Frame
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HG/T 21567-1995
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Stirring Transmission Device - Double-pivot Frame
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HG/T 21568-1995
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Stirring Transmission Device - Drive Shaft
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HG/T 21569.1-1995
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Stirring Transmission Device - Coupling with Short Section
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HG/T 21569.2-1995
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Stirring Transmission Device - Block Type Elastic Coupling
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HG/T 21570-1995
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Stirring Transmission Device - Coupling
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HG/T 21571-1995
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Stirring Transmission Device - Mechanical Seal
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HG/T 2157-1991
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Determination of ammonium in industrial circulating cooling water Potential method
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HG/T 2157-2011
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Industrial circulating cooling water. Determination of ammonium. Potentiometric method
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HG/T 21572-1995
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Stirring Transmission Device - Mechanical Seal Circulation and Protection System
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HG/T 21573.1-1995
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Bolt Hydraulic Tightening Device Series
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HG/T 21573.2-1995
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Large-diameter Studs
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HG/T 21573.3-1995
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Large-diameter Nuts
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HG/T 21573.4-1995
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Spherical Washer
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HG/T 21574-1994
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(Equipment lug)
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HG/T 21574-2008
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Chemical equipment lifting lugs and engineering technical specification
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HG/T 21575-1994
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Sight Glass with Light
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HG/T 21576-1994
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(Double switch cock)
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HG/T 21577-1994
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(Fast Special fittings)
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HG/T 21578-1994
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(Duct damper)
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HG/T 21579-1995
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Composite Pipe and Pipe Fittings of Poly Propylene/Fiberglass-reinforced Plastics (PP/FRP)
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HG/T 21580-1997
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(L92-type fan cooling tower universal map)
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HG/T 21581-1995
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(Controls installed Atlas)
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HG/T 21581-2012
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Instrument Hook-up
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HG/T 2158-1991
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Determination of ammonium in industrial circulating cooling water Distillation-titration method
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HG/T 2158-2011
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Industrial circulating cooling water. Determination of ammonium. Distillation and titration method
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HG/T 21582-1995
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(L60-type fan cooling tower universal map)
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HG/T 21583-1995
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Quick-opening Stainless Steel Removable Cover
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HG/T 21584-1995
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Magnetic Liquid Level Gauge
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HG/T 21585.1-1998
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Removable. Type trough. Pan gas and liquid distributor
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HG/T 21586-1998
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Withdrawable wire mesh mist eliminator
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HG/T 21587-1995
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(Geotechnical Investigations standard data compilation)
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HG/T 21594-2014
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Classification and technical specification for lining stainless steel manholes and handholes
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HG/T 21596-2014
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Lining stainless steel rotary cover manholes
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HG/T 21597-2014
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Lining stainless steel rotary arch cover of quick opening manhole
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HG/T 21598-2014
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Lining stainless steel horizontal hanging cover manhole
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HG/T 21599-2014
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Lining stainless steel vertical hanging cover manhole
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HG/T 21600-2014
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Lining stainless steel elliptic quick opening manhole
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HG/T 2160-1991
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Dynamic simulation method for cooling water
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HG/T 2160-2008
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Dynamic simulation method for cooling water
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HG/T 21602-2014
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Lining stainless steel flat cover handhole
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HG/T 21603-2014
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Lining stainless steel rotary cover quick opening handhole
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HG/T 21604-2014
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Lining stainless steel swing-type quick opening handhole
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HG/T 21608-1996
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(Liquid handling arm)
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HG/T 21608-2012
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Engineering technical requirements for liquid loading arm
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HG/T 21609-1996
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(Teflon pipe flanges - Rubber Gasket)
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HG/T 21610-1996
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General drawing of standard joints for hot rolled ordinary profile steel (welding connection)
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HG/T 21611.1-1996
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Collective general drawings of reinforced concrete trestles of belt conveyers
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HG/T 21612-1996
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General drawings of pressure-welded steel grating
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HG/T 21613-1996
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General Drawing of Steel Ladders and Handrails
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HG/T 21614-1997
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(2. 4 m counterflow blower fan High turbidity, temperature, corrosion cooling tower generic map)
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HG/T 21615-1997
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Modified Polypropylene Chamber Type and Plate-and-frame Type Pressure Filter Series
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HG/T 21616-1997
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Standard Series of Conventional Plant Mufflers for Chemical Plant
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HG/T 21617-1998
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General Drawing of Embedded Parts for Groove-Shaped Anchoring Rails
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HG/T 21618-1998
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Mesh Demister
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HG/T 21619-1986
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Standard Drawing for Sight Glass
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HG/T 21620-1986
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Standard Drawing for Sight Glass with Nozzle
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HG/T 21621-1991
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(Chemical companies and the cable trench laying cables buried common chart)
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HG/T 2-162-1965
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(Low temperature impact plastic compression test method)
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HG/T 21622-1990
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(Endoscopic lining)
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HG/T 21623-1990
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(Rigid PVC endoscopic)
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HG/T 21624-2005
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L47-type fan counterflow cooling tower Universal.
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HG/T 21625-2005
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L1985 fans counter-flow cooling tower generic diagram (single-cell)
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HG/T 21626-2005
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L85-type fan counterflow cooling tower universal Figure (bunk single)
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HG/T 21629-1999
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Pipe Support Standard Drawings
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HG/T 21630-1990
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Reinforcing Nozzle
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HG/T 21631-1990
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(Seam steel pipe fittings)
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HG/T 2-163-1965
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(Plastic low elongation test method)
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HG/T 2163-1991
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201 X 4 Strongly Basic Styrene Type Anion Exchange Resins
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