文件名称
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[国外标准] ETSI EN 301 489-29 V1.1.1 (2008) Harmonized European Standard (Telecommunications series) Electromag
147.75 KB2020-11-30
[国外标准] EN 60068-2-29-1993 Environmental testing. Test methods. Environmental testing procedures. Tests. Tes
674.47 KB2020-11-30
[国外标准] AWS A5.29-1998 Specification for Low-Alloy Steel Electrodes for Flux Cored Arc Welding
2.96 MB2020-11-28
[国外标准] BS 29-1976 specification for carbon steel forgings above 150mm-ruling sections
630.38 KB2020-11-27
352.49 KB2020-11-13
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