National Standard: GB/T, GBT
              
GBT << ...>> GBT
Std ID Description (Standard Title)
GB/T 4238-1992 Heat-resisting steel sheets and plates
GB/T 4238-2007 Heat-resisting steel plate, sheet and strip
GB/T 10699-2015 Calcium silicate thermal insulation
GB/T 4239-1991 Cold rolled stainless steel and heatresisting steel strips
GB/T 10700-1989 Test methods for elastic modulus of high performance ceramics
GB/T 10700-2006 Test methods for elastic moduli of fine ceramics (advanced ceramics, advanced technical ceramics) -- Bending method
GB/T 4241-1984 Stainless steel wire rods for welding
GB/T 4241-2006 Stainless steel wire rods for welding
GB/T 424-1978 Test methods of wet breaking strength for printed and dyed fabrics
GB/T 4243-1984 Long fluted machine reamers with Morse taper shanks
GB/T 4243-2004 Long fluted machine reamers, Morse tape shanks
GB/T 4244-1984 Machine reamers with edge inclination with parallel shanks
GB/T 4244-2004 Machine reamers with edge inclination with parallel shanks
GB/T 4245-1984 Machine reamers--Technical requirements
GB/T 4245-2004 Technical conditions for machine reamers
GB/T 4246-1984 Special tolerance for reamers
GB/T 4246-2004 Special tolerances for reamers
GB/T 4247-1984 Machine bridge reamers with Morse taper shanks
GB/T 4247-2004 Machine bridge reamers with Morse taper shanks
GB/T 4248-1984 Hand taper 1: 50 reamers--Technical requirement
GB/T 4248-2004 Technical conditions for hand taper 1: 50 pin reamers
GB/T 4249-1996 Tolerancing principle
GB/T 4249-2009 Geometrical product specifications (GPS) -- Tolerancing principle
GB/T 4250-1984 Taper reamers--Technical requirements
GB/T 4250-2004 Taper reamers -- Technical requirements
GB/T 4251-1984 Machine reamers with parallel shanks with carbide tips
GB/T 4251-2003 Machine reamers with parallel shanks with carbide tips
GB/T 4251-2004 Machine reamers with parallel shanks with carbide tips
GB/T 4251-2008 Machine reamers with carbide tips
GB/T 425-1978 Test methods of weight for printed and dyed fabrics
GB/T 4252-1984 Machine reamers with Morse taper shanks with carbide tips
GB/T 4252-2004 Machine reamers with Morse taper shanks with carbide tips
GB/T 4253-1984 Reamers with carbide tips--Technical requirements
GB/T 4253-2004 Reamers with carbide tips -- Technical requirements
GB/T 4255-1984 Arbors for shell reamers and shell core drills
GB/T 4256-1984 Core drills with parallel shanks
GB/T 4256-2004 Core drills with parallel shanks and with Morse taper shanks
GB/T 4257-1984 Core drills--Technical requirements
GB/T 4257-2004 Core drills -- Technical requirements
GB/T 4258-1984 Countersinks with parallel shanks for angles 60 degree, 90 degree and 120 degree inclusive
GB/T 4258-2004 Parallel shanks countersinks for angles 60-degree, 90-degreeand 120-degreeinclusive
GB/T 4259-1984 Countersinks--Technical requirements
GB/T 4259-2004 Countersinks -- Technical requirements
GB/T 4260-1984 Counterbores with parallel shanks and solid pilots
GB/T 4260-2004 Counterbores with parallel shanks and solid pilots
GB/T 4261-1984 Counterbores with morse taper shanks and detachable pilots
GB/T 4261-2004 Counterbores with Morse taper shanks and detachable pilots
GB/T 426-1978 Test methods of shrinkage for printed and dyed fabrics
GB/T 4262-1984 Counterbores--Technical requirements
GB/T 4262-2004 Counterbores -- Technical requirement
GB/T 4263-1984 90 degree countersinks with parallel shanks and solid pilots
GB/T 4263-2004 Countersinks, 90-degree, with parallel shanks and solid pilots
GB/T 4264-1984 90 degree countersinks with morse taper shanks and detachable pilots
GB/T 4264-2004 Countersinks, 90-degree, with Morse taper shanks and detachable pilots
GB/T 4265-1984 90 degree countersinks--Technical requirements
GB/T 4265-2004 90-degreeCountersinks with pilots -- Technical requirements
GB/T 4266-1984 Detachable pilots for use with counterbores and countersinks
GB/T 4266-2004 Detachable pilots for use with counterbores and countersinks
GB/T 4267-1984 Rotating tools with parallel shanks--Diameters of shanks and sizes of driving squares
GB/T 4267-2004 Rotating tools with parallel shanks -- Diameters of shanks and sizes of driving squares
GB/T 4268.1-1984 Graphical symbols for agricultural machinery
GB/T 4268.2-1987 Graphical symbols for agricultural machinery--Part 2
GB/T 4269.1-1984 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment--Symbols for operator controls and other displays--Common symbols
GB/T 4269.1-2000 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment. Symbols for operator controls and other displays. Part 1: Common symbols
GB/T 4269.2-1984 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment--Symbols for operator controls and other display--Symbols for agricultural tractors and machinery
GB/T 4269.2-2000 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment. Symbols for operator controls and other displays. Part 2: Symbols for agricultural tractors and machinery
GB/T 4269.2-2016 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment -- Symbols for operator controls and other displays -- Part 2: Symbols for agricultural tractors and machinery
GB/T 4269.3-2000 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment. Symbols for operator controls and other displays. Part 3: Symbols for powered lawn and garden equipment
GB/T 4269.4-2006 Forestry machinery -- Symbols for operator controls and other displays
GB/T 4269.4-2014 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment -- Symbols for operator controls and other displays -- Part 4: Symbols for forestry machinery
GB/T 4269.5-2003 Portable forestry machinery -- Symbols for operator controls and other displays
GB/T 4270-1984 Graphical and letter symbols for thermal engineering
GB/T 4270-1999 Graphical symbols and letter codes for thermal engineering in the technical documentation
GB/T 4271-1984 Testing method for rating the thermal performance of flat plate solar collectors
GB/T 4271-2000 Test methods for the thermal performance of flat plate solar collectors
GB/T 4271-2007 Test methods for the thermal performance of solar collectors
GB/T 427-1978 Test methods of stitching strength for printed and dyed fabrics
GB/T 4272-1992 General principles for thermal insulation technique of equipments and pipes
GB/T 4272-2008 General principles for thermal insulation technique of equipment and pipes
GB/T 4273-1984 Glossary of integrated barge
GB/T 4273-2000 Terminology of integrated barge
GB/T 428-1978 Test methods of tearing strength for printed and dyed fabrics
GB/T 4288-1992 Household electric washing machines
GB/T 4288-2003 Household electric washing machine
GB/T 4288-2008 Household and similar electrical washing machine
GB/T 4289-1984 Safety requirements for household electric washing machines
GB/T 4290-1984 Codes of transportation status for freight containers
GB/T 4291-1984 Synthetic cryolite
GB/T 4291-1999 Synthetic cryolite
GB/T 4291-2007 Synthetic cryolite
GB/T 429-1978 Test methods of wrinkle recovery for printed and dyed fabrics
GB/T 4292-1984 Aluminum fluoride
GB/T 4292-1999 Aluminium fluoride
GB/T 4292-2007 Aluminium fluoride
GB/T 4293-1984 Sodium fluoride
GB/T 4294-1997 Aluminium hydroxide
GB/T 4294-2010 Aluminium hydroxide
GB/T 4295-1993 Tungsten carbide powder
GB/T 4295-2008 [Replaced by GB/T 4295-2019] Tungsten carbide powder
GB/T 4296-1984 Magnesium alloy wrought products--Microstructure--Inspection method