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Driller Bolter and Loder for rock roadway2020-06-15 14:17:11 |
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Bolter Miner Roadheader with 4 bolters for roof supporting and tunneling2021-11-24 09:15:43 |
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Pneumatic Roof Bolter in the underground coal mine without alumium part2022-02-23 13:58:57 |