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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 37910.1-2019 |
Non-destructive testing of welds—Acceptance levels for radiographic testing—Part 1:Steel,nickel,titanium and their alloys 焊缝无损检测 射线检测验收等级 第1部分：钢、镍、钛及其合金 |
China National Standards 1:Steel |
 English PDF |
| GB/T 36917.1-2018 |
Dentistry—Laboratory cutters—Part 1:Steel laboratory cutters 牙科学-技工室用刃具-第1部分：技工室用钢质刃具 |
China National Standards 1:Steel |
English PDF |
| GB/T 22085.1-2008 |
Electron and laser beam welded joints - Guidance on quality levels for imperfactions - Part 1:Steel 电子束及激光焊接接头 缺欠质量分级指南 第1部分：钢 |
China National Standards 1:Steel |
English PDF |
| GB/T 819.1-2000 |
Countersunk flat head screws(common head style)with cross recess--Part 1:Steel of property class 4.8 十字槽沉头螺钉 第1部分:钢4.8级 |
China National Standards 1:Steel |
English PDF |
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