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Automatic roof botler for coal mine2020-06-15 15:12:15 |
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Pneumatic Roof Bolter in the underground coal mine without alumium part2022-02-23 13:58:57 |
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Bolter Miner Roadheader with 4 bolters for roof supporting and tunneling2021-11-24 09:15:43 |
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CMM2-22 Low Weight Hydraulic Rock Bolting Jumbo for coal mine2019-11-26 11:18:18 |