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Apparatus for extending and retracting the cutter bars of a bori

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

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
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Apparatus for floor covering removal

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
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Apparatus for grooving or grinding pavement

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Tooth mounted on helical head portion or head with helical...
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Apparatus for holding a cutting bit

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Wear shield or replaceable wear sleeve
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Apparatus for holding a cutting bit

Mining or in situ disintegration of hard material – Miscellaneous
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Apparatus for hydraulically splitting up rock

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Fluid-pressed element
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Apparatus for in-situ retorting

Mining or in situ disintegration of hard material – Tunnel recovery of fluid material
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Apparatus for interconnecting segmented cutter drums of a rotary

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Tooth mounted on helical head portion or head with helical...
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Apparatus for loading material

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable
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Apparatus for loosening and/or breaking coal deposits, rocks, gr

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid
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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
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Apparatus for mechanically breaking up rock

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Fluid-pressed element
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Apparatus for mechanically breaking up rock

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Wedge
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Apparatus for mechanically breaking up stone or reinforced concr

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Fluid-pressed element
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Apparatus for milling road surfaces

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
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Apparatus for milling road surfaces

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
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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
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Apparatus for mining a seam, in particular of coal

Mining or in situ disintegration of hard material – Processes
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Apparatus for mixing gas and liquid at a downhole location

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Dissolving or chemical reaction
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