LandOfFree - US Patents - Listing for Mining or in situ disintegration of hard material,Hard material disintegrating machines,With mine roof-supporting means

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Adjustable bucket for an earth boring machine

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

Patent

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Anchor boring unit

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

Patent

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Apparatus for controlling the position of a mineral mining machi

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

Patent

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Apparatus for controlling the position of a mineral mining machi

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

Patent

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Apparatus for cutting excavations having a substantially planar

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

Patent

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Apparatus for excavating passages

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

Patent

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Apparatus for making small-bore tunnels

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

Patent

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Apparatus for mining a seam, in particular of coal

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

Patent

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Apparatus for supporting the roof of an underground mine working

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

Patent

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Apparatus for the underground operation of a movable mining mach

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

Patent

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Articulated boom-dipper-bucket assembly for a tunnel boring mach

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

Patent

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Auxiliary cutter units of a shield machine

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

Patent

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