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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 9253.2-2017 |
Petroleum and natural gas industries—Threading,gauging and thread inspection of casing,tubing,and line pipe threads 石油天然气工业 套管、油管和管线管螺纹的加工、测量和检验 |
China National Standards Threading |
 English PDF |
| GB/T 22512.2-2008 |
Petroleum and natural gas industries - Rotary drilling equiment - Part 2: Threading and gauging of rotary shouldered thread connections 石油天然气工业 旋转钻井设备 第2部分：旋转台肩式螺纹连接的加工与测量 |
China National Standards Threading |
English PDF |
| GB/T 20084-2006 |
Equipment for crop protection - Sprayers - Connection Threading 植物保护机械 喷雾机 连接螺纹 |
China National Standards Threading |
English PDF |
| GB/T 9253.2-1999 |
Petroleum andnatural gas industries--Threading，gauging，and threadinspection of casing，tubing and line pipe threads 石油天然气工业 套管、油管和管线管螺纹的加工、测量和检验 |
China National Standards Threading |
English PDF |
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