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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 35065.2-2023 |
Wet natural gas flow measurement Part 2: Flowmeter test and evaluation methods {译} 湿天然气流量测量 第2部分：流量计测试和评价方法 |
China National Standards Measurement natural gas |
 English PDF |
| GB/T 35065.1-2018 |
Wet natural gas flow measurement—Part 1：General rules 湿天然气流量测量 第1部分：一般原则 |
China National Standards Measurement natural gas |
English PDF |
| GB/T 31253-2014 |
Natural gas―Validation for gaseous reference materials―Direct measurement of calorific value and density 天然气 气体标准物质的验证 发热量和密度直接测量法 |
China National Standards Measurement natural gas |
English PDF |
| GB/T 18604-2014 |
Measurement of natural gas flow by gas ultrasonic flow meters 用气体超声流量计测量天然气流量 |
China National Standards Measurement natural gas |
English PDF |
| GB/T 21446-2008 |
Measurement of natural gas flow by means of standard orifice meter 用标准孔板流量计测量天然气流量 |
China National Standards Measurement natural gas |
English PDF |
| GB/T 21391-2008 |
Measurement of natural gas flow by turbine meters 用气体涡轮流量计测量天然气流量 |
China National Standards Measurement natural gas |
English PDF |
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