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Demolition machine for delining a furnace

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Percussive-type cutter
Patent

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Demolition tool for breaking solid materials

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Percussive-type cutter
Patent

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Depth control for asphalt pavement milling machine

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

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Detachable cab construction for mining machines

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Remote control
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Device and method for exploiting material

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter shiftable horizontally
Patent

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Device for breaking up the outer layers of the ground

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

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Device for cooling cutting teeth of cutter heads of cutting mach

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

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Device for cutting a receptacle in pavement to receive plowable

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
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Device for directing the rack

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Sidewall-working
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Device for enlarging a chimney

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
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Device for guying a drift advancing machine within a drift

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

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Device for guying a movable cutting machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter shiftable horizontally
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Device for guying a movable cutting machine

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

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Device for interconnecting two sections of a longwall mining mac

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

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Device for milling ground surfaces, specially roadways

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

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Device for milling off ground surfaces especially roadways

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

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Device for mining of thick strata of useful minerals

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Stepper-type advance-causing means
Patent

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Device for removing asbestos and the like

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

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Device for removing the earth generated by tunneling

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
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Device for rotating a body

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter shiftable horizontally
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