Home / Standards / GB/T 31528-2015 GB/T 31528-2015 Active Treatment and disposal technical specification for spent coppery etchant 含铜蚀刻废液处理处置技术规范 Standard Type GBT ICS 13.030.20 CCS Z 05 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