Home / Standards / GB/T 6367-2012 GB/T 6367-2012 Active Surface active agents - Preparation of water with known calcium hardness 表面活性剂 已知钙硬度水的制备 Standard Type GBT ICS 71.100.40 CCS G72 Status 现行 Issue Date 2012-12-31 Implementation 2013-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A