Home / Standards / GB/T 17925-2011 GB/T 17925-2011 Abolished Standard practice for X-ray digital radioscopic examination of cylinder weld 气瓶对接焊缝X射线数字成像检测 Standard Type GBT ICS 23.020.30 CCS J74 Status 废止 Issue Date 2011-12-30 Implementation 2012-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委