Home / Standards / GB/T 29459.1-2012 GB/T 29459.1-2012 Abolished Small punch test methods of metallic materials for in-service pressure equipments - Part 1：General requirements 在役承压设备金属材料小冲杆试验方法 第1部分：总则 Standard Type GBT ICS 77.040.10 CCS H22 Status 废止 Issue Date 2012-12-31 Implementation 2013-07-01 Responsible Dept 国家标准委 Drafting Unit N/A