Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 6149-2010 New constantan resistance alloy 240.0 via email in 1~3 business day valid
GB/T 7962.20-2010 Test methods of colourless optical glass—Part 20:Density 180.0 via email in 1~3 business day valid
ZB N 05013.2-1989 via email in business day valid
GB/T 7665-2005 General terminology for transducers 780.0 via email in 1~3 business day valid
JB/T 9479-1999 General specifications for photoresistors 570.0 via email in 1~3 business day superseded
JB/T 9493.6-1999 Method for chemical analysis of manganin and novokostant resistance alloy The perchloric acid dehydration gravimetric method for the determination of silicon content 60.0 via email in 1~3 business day valid
JB/T 9493.5-1999 Method for chemical analysis of manganin and novokostant resistance alloy The molybdosilicate blue photometric method for the determination of silicon content 60.0 via email in 1~3 business day valid
JB/T 6819.1-1993 Instrument Material Terminology - Common Terminology 150.0 via email in 1~3 business day valid
JB/T 9483-2011 Nonmetal supports for lever balance 224.0 via email in business day valid
JB/T 9495.2-1999 Measuring method for refractive index of optical crystals 60.0 via email in 1~3 business day valid
JB/T 9495.6-1999 Measuring method for coefficient of optical absorption of optical crystal 90.0 via email in 1~3 business day valid
JB/T 8205-1999 Sheathed base metal thermocouple cables 210.0 via email in 1~3 business day valid
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 7492-1994 Permanent Magnet Material Product Series Spectrum 90.0 via email in 1~3 business day valid
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heated voltage-stabilizing type negative temperature coefficient thermistors 120.0 via email in 1~3 business day superseded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 7962.3-2010 Test methods of colourless optical glass—Part 3:optical homogeity—Holographic interferometry 180.0 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
GB 7962.23-1987 Colourless optical glass test methods; Youngs modulus torsional rigidity modulus Poisson 45.0 via email in 1~3 business day abolished
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
JB/T 6861.1-1993 SJ2001 Dedicated Single-Loop Circuit for Regulator - Production Specification via email in business day valid
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