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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 25974.3-2010 |
Powered support for coal mine - Part 3：The hydraulic control system and valves 煤矿用液压支架 第3部分：液压控制系统及阀 |
China National Standards Powered support coal |
 English PDF |
| GB 25974.2-2010 |
Powered support for coal mine - Part 2: Specification for power set legs and rams 煤矿用液压支架 第2部分：立柱和千斤顶技术条件 |
China National Standards Powered support coal |
English PDF |
| GB 25974.1-2010 |
Powered support for coal mine － Part 1: General specification 煤矿用液压支架 第1部分：通用技术条件 |
China National Standards Powered support coal |
English PDF |
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