Home / Standards / GB/T 16983-1997 GB/T 16983-1997 Abolished Chemical reagent--Dichloromethane 化学试剂 二氯甲烷 Standard Type GBT ICS 71.040.30 CCS G63 Status 废止 Issue Date 1997-09-09 Implementation 1998-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A