Home / Standards / GB/T 31530-2015 GB/T 31530-2015 Active Low-level mercury catalyst for chloroethylene synthesis 氯乙烯合成用低汞触媒 Standard Type GBT ICS 71.100.99 CCS G75 Status 现行 Issue Date 2015-05-15 Implementation 2015-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A