Home / Standards / AQ/T 4252-2015 AQ/T 4252-2015 Abolished 黄金开采企业职业危害防护规范 Standard Type AQ ICS N/A CCS N/A Status Abolished Issue Date 2015-03-06 Implementation 2015-09-09 Centralized Committee 安全生产 Issuing Authority 安全生产