Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HG/T 2409-1992 Determination of Isocyanate Group Content in Polyurethane Performed Polymer 90.0 via email in 1~3 business day valid
YS/T 40-1992 45.0 via email in 1~3 business day abolished
GB/T 30301-2013 General Rule for Test Methods of Highly Purified Reagents 200.0 via email in 1~3 business day valid
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