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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 14914.3-2021 |
The specification for marine observation -- Part 3: Surface and subsurface buoy-based observation 海洋观测规范 第 3 部分：浮标潜标观测 |
China National Standards subsurface |
 English PDF |
| GB/T 29093-2012 |
Seamless copper alloy tubes for subsurface sucker rod pumps 地下杆式抽油泵用无缝铜合金管 |
China National Standards subsurface |
English PDF |
| GB/T 28259-2012 |
Petroleum and natural gas industries - Downhole equipment - subsurface safety valve equipment 石油天然气工业 井下设备 井下安全阀 |
China National Standards subsurface |
English PDF |
| GB/T 26070-2010 |
Characterization of subsurface damage in polished compound semiconductor wafers by reflectance difference spectroscopy method 化合物半导体抛光晶片亚表面损伤的反射差分谱测试方法 |
China National Standards subsurface |
English PDF |
| GB/T 18607-2008 |
Specification for subsurface sucker rod pumps and fittings 抽油泵及其组件规范 |
China National Standards subsurface |
English PDF |
| GB/T 22342-2008 |
Petroleum and natural gas industries - subsurface safety valve systems - Design, installation, operation and redress 石油天然气工业 井下安全阀系统 设计、安装、操作和维护 |
China National Standards subsurface |
English PDF |
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