4. Tool driving or impacting
  5. Work cleansing
  6. Cleansing fluid passage in impact transmitting anvil

Hans Per Olof Lundstrom

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Coupling means in a drilling machine

Tool driving or impacting – Impacting devices – With means for rotating tool
Patent

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Percussion drill bit

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element
Patent

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Percussion drill rod

Tool driving or impacting – Work cleansing – Cleansing fluid passage in impact transmitting anvil
Patent

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Profile ID: LFUS-PAI-P-11436

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