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GB/T 40801-2021 鈦、鋯及其合金的焊接工藝評定試驗 Welding procedure qualification tests for titanium, zirconi...2023-07-25

CB 20639-2018 艦船高強度鋁合金焊接工藝評定要求 Technical Requirements of higer strength aluminium alloy weld...2023-07-07

HG/T 5103-2016 塑料冷焊接工藝評定 Bonding procedure qualification for plastics pipeline2023-05-02

SY/T 0452-2021 石油天然氣金屬管道焊接工藝評定2023-03-02

GB/T 40424-2021管與管板的焊接工藝評定試驗Welding procedure qualification test for tubes to tube-plate joints...2022-10-24

GB/T 19869.1-2005鋼、鎳及鎳合金的焊接工藝評定試驗Welding procedure qualification test for steels,nickel and ...2022-06-13

CJ/T 32-2004液化石油氣鋼瓶焊接工藝評定Welding procedure qualification of liquified petroleum gas cylinders...2022-06-12

GB/T 19869.2-2012鋁及鋁合金的焊接工藝評定試驗2022-06-10

GB/T 33645-2017鋼、鎳及鎳合金的激光-電弧復合焊接工藝評定試驗Welding procedure qualification test for laser-a...2022-06-08

CB/T 4363-2013船用鈦及鈦合金焊接工藝評定2022-06-05

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