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1. Ready translated GB standards ![]() 2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB 50581-2020 Standard for allocated mine monitoring and controlling system of coal industry 煤炭工业矿井监测监控系统装备配置标准 - 英文版 |
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GB 50581-2010 Standard for allocated mine monitoring and controlling system of coal industry 煤炭工业矿井监测监控系统装备配置标准 - 英文版 |
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