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439.9 KB2023-09-07
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2.94 MB2020-11-02
1.26 MB2020-11-01
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1.27 MB2020-11-01
401.67 KB2020-05-04
157.58 KB2019-11-30
[国外标准] JIS Z 3001-4:2008 Welding and allied processes-Vocabulary - Part 4:Imperfections in fusion welding
753.89 KB2019-11-28
[国外标准] JIS Z 3001-3:2008 Welding and allied processes-Vocabulary - Part 3:Soldering and brazing
796.07 KB2019-11-28
[国外标准] JIS Z 3001-2:2008 Welding and allied processes-Vocabulary - Part 2:Welding processes
1.72 MB2019-11-28
233.5 KB2019-11-16