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Electrical power supply conduit - has U=shaped cross=section with elongate abutting flexible seals closing conduit
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GB1575384A
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Self-propelled underground machines
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FR2401308A1
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Multiple cutting drum coal cutting machine - has swinging arm at each end, with each arm carrying two contra-rotating cutting drums
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FR2400108A1
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Driving head for coal face cutting machine - has front mounted pivoting lever on which spiral grooved cutting rollers are mounted
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Multiple cutting drum coal cutting machine - has swinging arm at each end, with each arm carrying two contra-rotating cutting drums
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GB1525648A
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Haulage equipment
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DE2733483A1
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Driving head for coal face cutting machine - has front mounted pivoting lever on which spiral grooved cutting rollers are mounted
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GB1542921A
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Mining equipment
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GB1545588A
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Mining machines
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US4185876A
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Plural spaced cutter drums on pivotable elongate arm with loading means in the space
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GB1542144A
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Conduit
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GB1539534A
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Gearhead for mining machines
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GB1552490A
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Chain controller for scraper chain conveyors
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EXTRACTION MACHINE
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ARRANGEMENT ON A COAL PRODUCTION DEVICE
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SINGLE CHAIN CONVEYOR
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Scraper conveyor chain attachment - has roller guiding single chain at track bends with hinged plates accommodating curvature
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