4. Boring or penetrating the earth
  5. Bit or bit element
  6. Impact or percussion type

Marco Lang

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Drilling tool

Boring or penetrating the earth – Bit or bit element – Impact or percussion type
Reexamination Certificate

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Drilling tool

Cutting by use of rotating axially moving tool – Tool or tool with support – Having stepped cutting edges
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Profile ID: LFUS-PAI-P-2879635

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