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* welding procedure & welder qualification * dalam bidang pengelasan adalah penting untuk mengetahui bahwa welder (juru las) dan welding operator (operator mesin las)…
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welding procedure & welder qualification review welding procedure & welder qualification review by nguyen van tuan [email protected]
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welding procedure and welder qualification.pdfinvolved with each of the following steps or only a few depend on the structure of the particular organisation monitor weld