Home / Standards / GB/T 15221-1994 GB/T 15221-1994 Abolished Analytical method of cobalt-60 in water 水中钴-60的分析方法 Standard Type GBT ICS N/A CCS Z33 Status Abolished Issue Date 1994-09-24 Implementation 1995-08-01 Centralized Committee 国家标准委 Issuing Authority 国家技术监督局