GB/T 33488.3-2017化工用塑料焊接制承压设备检验方法第3部分:射线检测国家标准
英文:Test method of pressure equipments of thermoplastics welded for chemicals—Part 3: Radiographic examination GB/T 33488...
英文:Test method of pressure equipments of thermoplastics welded for chemicals—Part 3: Radiographic examination GB/T 33488...