DIN EN ISO 5817-2006 焊接 钢、镍、钛和其合金的熔焊接头
DIN EN ISO 5817-2006 Welding – Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) – Quality levels for imperfections (ISO 5817:2003 + Cor. 1:2006);German version EN ISO 5817:2003 + AC:2006
焊接 钢、镍、钛和其合金的熔焊接头(束焊除外) 缺陷等级
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