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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 26956-2011 |
Destructive tests on welds in metallic materials - Etchants for Macroscopic and microscopic examination 金属材料焊缝破坏性试验 宏观和微观检验用侵蚀剂 |
China National Standards Macroscopic |
 English PDF |
| GB/T 26955-2011 |
Destructive tests on welds in metallic materials - Macroscopic and microscopic examination of welds 金属材料焊缝破坏性试验 焊缝宏观和微观检验 |
China National Standards Macroscopic |
English PDF |
| GB/T 16840.1-2008 |
Technical determination method for electrical fire evidence - Part 1: Macroscopic method 电气火灾痕迹物证技术鉴定方法 第1部分：宏观法 |
China National Standards Macroscopic |
English PDF |
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