National Standard: GB/T, GBT
              
GBT << ...>> GBT
Std ID Description (Standard Title)
GB/T 6524-2003 Metallic powders -- Determination of particle size distribution by gravitational sedimentation in a liquid and attenuation measurement
GB/T 6525-1986 Sintered metal materials. Determination of compression strength at room temperature
GB/T 6526-1986 Self-fluxing alloy powders--Determination of solidus-liquidus temperature range
GB/T 6527.2-1986 General code of safety colour
GB/T 6529-2008 Textiles -- Standard atmospheres for conditioning and testing
GB/T 6530-1986 Ropes--Sampling and conditioning for testing
GB/T 6531-1986 Crude petroleum and fuel oils. Determination of sediment. Extraction method
GB/T 653-1994 Chemical reagent. Barium nitrate
GB/T 653-2011 Chemical reagents barium nitrate
GB/T 6532-1986 Crude petroleum and products--Determination of salt content
GB/T 6532-2012 Test method for salt in crude oils (Potentiometric method)
GB/T 6533-1986 Crude petroleum--Determination of water and sediment--Centrifuge method
GB/T 6533-2012 Test method for water and sediment in crude oil by the centrifuge method
GB/T 6534-1986 Gasoline. Determination of vapor-liquid ratio
GB/T 6535-1986 Gasoline--Determination of lead content--Volumetric chromate method
GB/T 6536-1986 Petroleum products--Determination of distillation
GB/T 6536-1997 Peteroleum products--Determination of distillation
GB/T 6536-2010 Standard test method for distillation of petroleum products at atmospheric pressure
GB/T 6538-1986 Engine oils--Determination of apparent viscosity--Using the cold-cranking simulator
GB/T 6538-2000 Engine oils-Determination of apparent viscosity-Using the cold-cranking simulator
GB/T 6538-2010 Determination of apparent viscosity of engine oils using the cold-cranking simulator
GB/T 6539-1986 Light oil products--Determination for electrical conductivity
GB/T 6539-1997 Standard test methods for electrical conductivity of aviation and distillate fuels
GB/T 6540-1986 Petroleum products. Determination of colour
GB/T 6541-1986 Petroleum products. Mineral oils. Determination of interfacial tension of oil against water. Ring method
GB/T 654-1977 Chemical reagents--Barium carbonate
GB/T 654-1999 Chemical reagent-- Barium carbonate
GB/T 654-2011 Chemical reagents barium carbonate
GB/T 6542-1986 Test methods for direct arc furnaces
GB/T 6543-1986 Corrugated box
GB/T 6543-2008 Single and double corrugated boxes for transport packages
GB/T 6544-1986 Corrugated fibreboard
GB/T 6544-1999 Packing material--Corrugated fibreboard
GB/T 6544-2008 Corrugated fiberboard
GB/T 6545-1986 Determination of bursting-resistant of corrugated fibreboard
GB/T 6545-1998 Corrugated board. Determination of bursting strength
GB/T 6546-1986 Corrugated fibreboard--Determination of edgewise crush resistance
GB/T 6546-1998 Corrugated fibreboard. Determination of edgewise crush resistance
GB/T 6547-1986 Corrugated fibreboard--Determination of thickness
GB/T 6547-1998 Corrugated fiberboard. Determination of thickness
GB/T 6548-1986 Testing method for adhesion of corrugated fibreboard
GB/T 6548-1998 Corrugated fibreboard--Determination of ply adhesive strength
GB/T 6548-2011 Corrugated board -- Determination of adhesion
GB/T 6550-1986 Information processing. 9-track, 12.7mm wide magnetic tape for information interchange recorded at 63rpmm, phase encoded
GB/T 6551-1989 Technical requirement for the safety sailing of vessels--Communication and navigation
GB/T 6551-1993 Technical requirement for the safety sailing of vessels. Communication and navigation
GB/T 655-1994 Chemical reagent. Ammonium persulfate
GB/T 655-2011 Ammonium persulfate chemical reagents
GB/T 6552-1986 Standard test method for impact resistance of glass containers
GB/T 6552-2015 Glass containers -- Test method for impact resistance
GB/T 6553-1986 Test methods for evaluating resistance to tracking and erosion of electrical insulating materials used under severe ambient conditions
GB/T 6553-2003 Assessment use in harsh environmental conditions, electrical insulating material resistant to tracking and erosion test methods
GB/T 6553-2014 Electrical insulating materials used under severe ambient conditions -- Test methods for evaluating resistance to tracking and erosion
GB/T 6554-1986 Test methods for coating powders for electrical insulation
GB/T 6554-2003 Resin based reactive compounds used for electrical insulation -- Part 2: Methods of test: Methods for coating powders for electrical purposes
GB/T 6555-1986 Requirements for 3-channel carrier telephone equipment on an open-wire pair
GB/T 6556-1994 Type, main dimension, material and marking of mechanical seals
GB/T 10855-2016 Inverted tooth (silent) chains and sprockets
GB/T 6557-1986 The mechanical balancing of flexible rotors
GB/T 6557-1999 Mechanical vibration--Methods and criteria for the mechanical balancing of flexible rotors
GB/T 6557-2009 Mechanical vibration -- Methods and criteria for the mechanical balancing of flexible rotors
GB/T 6558-1986 Criteria for evaluating flexible rotor balance
GB/T 10856-1989 General specifications of double turbine torque converter
GB/T 6560-1986 Cross recessed pan head thread forming screws
GB/T 6560-2014 Cross recessed pan head thread rolling screws
GB/T 6561-1986 Cross recessed countersunk head thread forming screws
GB/T 6561-2014 Cross recessed countersunk head thread rolling screws
GB/T 656-1977 Chemical reagents--Ammonium dichromate
GB/T 656-2003 Chemical reagent -- Ammonium dichromate
GB/T 6562-1986 Cross recessed raised countersunk head thread forming screws
GB/T 6562-2014 Cross recessed raised countersunk head thread rolling screws
GB/T 6563-1986 Hexagon head thread forming screws
GB/T 6563-2014 Hexagon head thread rolling screws
GB/T 6564.1-2014 Hexalobular socket head cap thread rolling screws
GB/T 6564-1986 Hexagon lobular socket thread forming screws
GB/T 6565-1986 Classification and codes of occupations
GB/T 6565-1999 Classification and codes of occupations
GB/T 6565-2009 Classification and codes of occupations
GB/T 6565-2015 Classification and codes of occupations
GB/T 6567.1-1986 Graphical symbols for piping systems--Basic principles
GB/T 6567.1-2008 Technical drawings -- Graphical symbols for piping systems -- Basic principles
GB/T 6567.2-1986 Graphical symbols for piping systems--Piping
GB/T 6567.2-2008 Technical drawings -- Graphical symbols for piping systems -- Piping
GB/T 6567.3-1986 Graphical symbols for piping systems--Piping accessories
GB/T 6567.3-2008 Technical drawings -- Graphical symbols for piping systems -- Piping accessories
GB/T 6567.4-1986 Graphical symbols for piping systems--Valves and control regulation actuators
GB/T 6567.4-2008 Technical drawings -- Graphical symbols for piping systems -- Valves and control components
GB/T 6567.5-1986 Graphical Symbols for piping systems--Axonometric representation of graphical symbols for piping, piping accessories and valves etc
GB/T 6567.5-2003 Graphical symbols for piping systems -- Axonometric representation of graphical symbols for piping, piping accessories and valves etc
GB/T 6567.5-2008 Technical drawings -- Graphical symbols for piping systems -- Axonometric representation of graphical symbols for piping, piping accessories and valves
GB/T 6568-2008 Screen clothes for live working
GB/T 6569-1986 Testing method for flexural strength of high performance ceramics
GB/T 6569-2006 Fine ceramics (advanced ceramics, advanced technical ceramics) -- Test method for flexural strength of monolithic ceramics at room temperature
GB/T 6570-1986 Measuring methods for microwave diodes
GB/T 6571-1995 Semiconductor devices. Discrete devices. Part 3: Signal (including switching) and regulator diodes
GB/T 657-1993 Chemical reagent. Hexaammonium heptamolybdate terahydrate
GB/T 6572.1-1986 Excavators terminology--Hydraulic type
GB/T 6572.1-1997 Hydraulic excavators--Terminology
GB/T 6572.2-1986 Excavators terminology--Cable operated type
GB/T 657-2011 Chemical reagent -- Hexammonium heptamolybdate tetrahydrate