ISO 10042-2018 中文版
ISO 10042-2018《Welding - Arc-welded joints inaluminium and its alloys - Quality levels for imperfections》铝及其合金焊缝质量判定 中文版,清晰版ISO 10042-2018《Welding - Arc-welded joints inaluminium and its alloys - Quality levels for imperfections》
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