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Method and apparatus for excavation

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid
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Method and apparatus for extending the cutter drum of a boring m

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Adjustable head
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Method and apparatus for fracturing rock beds

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration
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Method and apparatus for fragmenting asphalt

Mining or in situ disintegration of hard material – Processes
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Method and apparatus for highwall mining

Mining or in situ disintegration of hard material – Processes – With material-handling
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Method and apparatus for holding a cutting bit

Mining or in situ disintegration of hard material – Miscellaneous
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Method and apparatus for in-cutting and out-cutting during coal

Mining or in situ disintegration of hard material – Processes – With material-handling
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Method and apparatus for in-situ mining by leaching ores contain

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Input and output wells
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Method and apparatus for increasing the efficiency of highwall m

Mining or in situ disintegration of hard material – Automatic control; signaling or indicating – Of hard material disintegrating machine
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Method and apparatus for inspecting a forward end portion in a t

Mining or in situ disintegration of hard material – Automatic control; signaling or indicating – Of tunneling apparatus having a wall temporary support
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Method and apparatus for mining

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid
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Method and apparatus for mining

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure
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Method and apparatus for mining

Mining or in situ disintegration of hard material – Automatic control; signaling or indicating – Of hard material disintegrating machine
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Method and apparatus for mining inclined mineral deposits

Mining or in situ disintegration of hard material – Processes – With material-handling
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Method and apparatus for mining machine cutter head

Mining or in situ disintegration of hard material – Processes
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Method and apparatus for mining of ocean floors

Mining or in situ disintegration of hard material – With separation of materials – Material mined or excavated underwater
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Method and apparatus for mixing gaseous oxidant and lixiviant in

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Dissolving or chemical reaction
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Method and apparatus for mixing gaseous oxidant and lixiviant in

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Dissolving or chemical reaction
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Method and apparatus for plasma blasting

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration
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Method and apparatus for reclamation by reducing highwalls to gr

Mining or in situ disintegration of hard material – Processes – Explosive
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