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惰性气体保护电弧焊和等离子焊接、切割用钨铈电极

Tungsten-cerium electrodes for inert gas arc welding, plasma welding and cutting
标准号:SJ/T 10743-1996
Tungsten-cerium electrodes for inert gas arc welding, plasma welding and cutting
标准号:SJ/T 10743-1996