GB/T 33488.2-2017化工用塑料焊接制承压设备检验方法第2部分:外观检测国家标准
英文:Test method of pressure equipments of thermoplastics welded for chemicals—Part 2: Visual examination GB/T 33488.2-201...
英文:Test method of pressure equipments of thermoplastics welded for chemicals—Part 2: Visual examination GB/T 33488.2-201...