4. Mining or in situ disintegration of hard material
  5. Cutter tooth or tooth head
  6. Tooth mounted on helical head portion or head with helical...

Dieter Lenzen

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Activated rock cutting assembly

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

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Rock cutting assembly

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

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Profile ID: LFUS-PAI-P-1456919

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