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Shear-type loader for a tunnel and gallery excavator

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

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Shearer loader for underground mining operation

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

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Shearer-loader drive subassembly and guide shoe for it

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

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Shearing machine with movable shearing drum and conveyor

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

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Shearing machine with roof-bolt drilling and setting devices

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

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Shield advancing machine

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

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Shield assemblies for installation in under-ground roadways and

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

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Shield machine

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

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Shield 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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Shield tunnel boring machine

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

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Shield tunneling machine

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

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Shield tunneling machine

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

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Shield tunneling machine

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

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Shield tunneling machine and earth removing apparatus therefor

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

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Shield tunneling method and shield tunneling machine

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

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Shield tunneling with optional section and 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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Shield tunnelling 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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Shield type tunneling apparatus

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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Shield unit

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

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Shield-type tunneling machine with toggle controlled bit plates

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

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