Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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JC/T 2066-2011 Quartz glass diffusion tubes for silicon for solar cell 90.0 via email in 1~3 business day valid
GB 4121-1983 The test method for stability to thermal darkening of silica glass 30.0 via email in 1~3 business day superseded
JC/T 2027-2010 Determination of impurities in high purity quartz - Inductively coupled plasma atomic emission spectrometry 75.0 via email in 1~3 business day valid
JC/T 2064-2011 Transparent quartz glass rods for semiconductor 120.0 via email in 1~3 business day valid
JC/T 179-2011 Transparent quartz crucibles 150.0 via email in 1~3 business day valid
GB/T 12442-1990 Test method for the hydroxyl groups content of silica glass 30.0 via email in 1~3 business day valid
JC/T 651-2011 Quartz glassware Crucible 120.0 via email in 1~3 business day valid
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