Home / Standards / GB 7465-2009 GB 7465-2009 Abolished High activity cobalt-60 sealed radioactive sources 高活度钴60密封放射源 Standard Type GB ICS 27.120.99 CCS F51 Status 废止 Issue Date 2009-03-13 Implementation 2010-03-01 Responsible Dept 国家标准委 Drafting Unit N/A