Home / Standards / GB/T 21993-2008 GB/T 21993-2008 Active Polyvinyl chloride resins - Determination of the content of methanol or ethanol extract 聚氯乙烯树脂 甲醇或乙醇萃取物含量的测定 Standard Type GBT ICS 83.080.20 CCS G32 Status 现行 Issue Date 2008-06-04 Implementation 2008-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A