Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 28055-2023 |
Technical specifications for hot-pressurized plugging of steel pipelines {译} 钢质管道带压封堵技术规范 |
China National Standards steel plug |
English PDF |
GB/T 28055-2011 |
Technical standard for hot tapping and plugging on steel pipeline 钢制管道带压封堵技术规范 |
China National Standards steel plug |
English PDF |
GB/T 22130-2008 |
steel plug valves 钢制旋塞阀 |
China National Standards steel plug |
English PDF |
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