Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
NB/T 10750-2021 |
Performance test method of high pressure and large flow emulsion pumping station system in coal mine {译} 煤矿高压大流量乳化液泵站系统性能测试方法 |
China Energy Industry
Standards Coal mine high |
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NB/T 10953-2022 |
Easy-to-weld high-strength and ultra-high-strength steel plates for hydraulic supports in coal mines {译} 煤矿液压支架用易焊接高强度及超高强度钢板 |
China Energy Industry
Standards Coal mine high |
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NB/T 10856—2021 |
Technical specification for ultra-high pressure hydraulic slitting operation in coal mines{译} {译} 煤矿井下超高压水力割缝作业技术规范 |
China Energy Industry
Standards Coal mine high |
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NB/T 10179-2019 |
Code for electrical test of high voltage switchgear in coal mine {译} 煤矿在用高压开关设备电气试验规范 |
China Energy Industry
Standards Coal mine high |
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AQ 6206-2006 |
Coal mine high-low concentration methane transducer 煤矿用高低浓度甲烷传感器 |
China Safety & Security
Standards Coal mine high |
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