Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 7962.21-1987 Colourless optical glass test methods; Knoop hardness 15.0 via email in 1~3 business day superseded
JB/T 6819.5-1993 Instrument Material Terminology - Elastic Material 120.0 via email in 1~3 business day valid
GB 7962.6-1987 Colourless optical glass test methods; Edge stress birefringence 45.0 via email in 1~3 business day superseded
JB/T 5329.3-1991 Corrosion-resistant Elastic Alloy for Instrument - Chloride Corrosion Resistant 00Cr15Ni60Mo16W4 Elastic Alloy Strip 120.0 via email in 1~3 business day superseded
GB/T 7962.4-2010 Test methods of colourless optical glass—Part 4:Temperature coefficient of refractive index 150.0 via email in 1~3 business day valid
GB/T 15489.5-1995 Colour filter glass test methods Chromaticity 30.0 via email in 1~3 business day valid
JB/T 9473-1999 General specifications for Hall element 120.0 via email in 1~3 business day valid
JB/T 6820-1993 Test Method of Thermal Electromotive Force for Refractory Metal Thermocouple Wire 180.0 via email in 1~3 business day valid
GB/T 15489.4-1995 Colour filter glass test methods Colour temperature conversion ability 30.0 via email in 1~3 business day valid
GB/T 7962.8-2010 Test methods of colourless optical glass—Part 8:Bubble 110.0 via email in 1~3 business day valid
GB/T 4990-2010 Alloy wires of extension and compensating cables for thermocouples 240.0 via email in 1~3 business day valid
JB/T 7806-1995 Permanent Magnet for Electrical Measuring Instrument 120.0 via email in 1~3 business day valid
GB/T 18459-2001 Methods for calculating the main static performance specifications of transducers 540.0 via email in 1~3 business day valid
JB/T 9477.2-1999 Directly heated measuring type negative temperature coefficient thermistiors 150.0 via email in 1~3 business day superseded
JB/T 9477.3-1999 Directly heated voltage-stabilizing type negative temperature coefficient thermistors 120.0 via email in 1~3 business day superseded
GB/T 4990-1995 Alloy wires of extension and compensating cables for thermocouples 570.0 via email in 1~3 business day abolished
GB/T 17129-1997 Colourless optical glass test methods of chemical stabilty--Powder 90.0 via email in 1~3 business day abolished
JB/T 6861.4-1993 SJ2004 Dedicated Single-Loop Circuit for Regulator - Production Specification via email in business day valid
GB/T 15489.8-1995 Colour filter glass test methods Resistance UV irradiating stability 30.0 via email in 1~3 business day valid
GB/T 7962.18-1987 Colourless optical glass test methods; Autocollimation test method for refractive index in the ultraviolet and infrared wave band 30.0 via email in 1~3 business day abolished
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