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GB/T 25523-2022 Mining Machinery Front Shovel Excavator Safety Requirements 矿用机械正铲式挖掘机 安全要求 - 中英文版 |
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GB/T 755.2-2003 Methods for determininglosses and efficiency of rotating electrical machinery from tests(excluding machines for traction vehicles) 旋转电机(牵引电机除外)确定损耗和效率的试验方法 - 中英文版 |
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