4. Mining or in situ disintegration of hard material
  5. Automatic control; signaling or indicating
  6. Ore/rock interface determination during cutting

Thomas Hoelken

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Apparatus for automatically adjusting the cutting horizon of a m

Mining or in situ disintegration of hard material – Automatic control; signaling or indicating – Ore/rock interface determination during cutting
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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Profile ID: LFUS-PAI-P-1386318

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