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Hydraulic control valve of tunneling machine-mounted drilling machine and control method
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Coal roadway multidimensional and cooperative supporting method
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Bracket transportation equipment capable of rapidly replacing oil-electric power explosion-proof power supply and use method
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Transmission chain integrating multi-element braking function
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Height-variable control system for mining explosion-proof trackless rubber-tyred mancar
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Manual mechanical safety starting device for coal mine underground explosion-proof vehicle
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Height-variable mining explosion-proof trackless rubber-tyred mancar
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Speed reducer and coal mining machine with same
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Walking control method, device and control equipment for self-moving tail
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Speed reducer and walking bracket with same
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Method and device for controlling a cutting drum
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Safety type wire-controlled braking system and method for coal mine trackless auxiliary transportation robot
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Transmission mechanism for coal mine heavy-gradient track tractor
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Cable protection device of side mining transportation unit
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Open pit coal mine side coal mining equipment and protection device thereof
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Open pit coal mine side coal mining equipment and protection system thereof
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Side filling equipment
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Continuous mining machine for side wall mining and control device and method thereof
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Continuous mining machine for side wall mining and control device and method thereof
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