Home / Standards / GB/T 9226-1988 GB/T 9226-1988 Active Certification of standardized radioactive sources 标准放射源的检验证书 Standard Type GBT ICS N/A CCS F50 Status Active Issue Date 1988-06-06 Implementation 1989-01-01 Centralized Committee 国家标准委 Issuing Authority 国家标准局