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Holding device for a chain

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable
Patent

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Hook plough apparatus for longwall mining

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means
Patent

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Hopper and hood combination for tunneling machine and tunneling

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
Patent

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Horizontal edna miner

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means
Patent

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Hydraulic aligner device for flexible continuous tram mining mac

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means
Patent

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Hydraulic borehole mining system

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means
Patent

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Hydraulic hammers hydraulically driven impactor

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
Patent

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Hydraulic mining tool apparatus

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means
Patent

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Hydraulic muck handling system for tunnel boring machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
Patent

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Hydraulic positioning system

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Reexamination Certificate

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Hydraulic power supply vehicle for concrete cutting and boring t

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Patent

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Hydraulic-mechanical coal mining combine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
Patent

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Hydromechanical planer with cutting and breaking heads

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable
Patent

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