标准查询 标准查询金属材料焊接的破坏性试验.碰撞试验.试验样品的位置、切口的朝向和检查
Destructive tests on welds in metallic materials - Impact tests - Test specimen location, notch orientation and examination
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标准查询Destructive tests on welds in metallic materials - Impact tests - Test specimen location, notch orientation and examination
