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PORTABLE DEVICE FOR GRINDING RAIL BUTTS AND JOINTS
PORTABLE DEVICE FOR GRINDING RAIL BUTTS AND JOINTS
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机译:用于磨削螺栓和接头的便携式设备
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摘要
the invention относитс repair to tram and rail. purpose изобретени вл етс increased functional capacity. the device contains a, состо щий from left 1 and right cheek with the holders 2, 3 and 4, ш
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