Home / Standards / GB/T 32544-2016 GB/T 32544-2016 Active Acoustic emission examination and evaluation methods of steel structures of bridge and gantry cranes 桥式与门式起重机金属结构声发射检测及结果评定方法 Standard Type GBT ICS 53.020.20 CCS J80 Status 现行 Issue Date 2016-02-24 Implementation 2016-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A