Home / Standards / GB 4075-2003 GB 4075-2003 Abolished Sealed radioactive sources--General requirements and classification 密封放射源 一般要求和分级 Standard Type GB ICS 13.280 CCS F70 Status 废止 Issue Date 2003-03-24 Implementation 2003-12-01 Responsible Dept 国家标准委 Drafting Unit N/A