Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 39641-2020 |
Methods for gaging fastening screw threads by thread indicating gages 螺纹指示量规检测紧固螺纹方法 |
China National Standards gaging |
English PDF |
GB/T 37050-2019 |
Fastening screw thread gaging systems for acceptability 紧固螺纹检测体系 |
China National Standards gaging |
English PDF |
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