Home / Standards / GB/T 18307-2001 GB/T 18307-2001 Active Methods for chemical analysis of crude silver 粗银化学分析方法 Standard Type GBT ICS 77.120.70 CCS H15 Status 现行 Issue Date 2001-02-13 Implementation 2001-08-01 Responsible Dept 中国人民银行 Drafting Unit N/A