4. Boring or penetrating the earth
  5. Automatic control

Heikki Jantunen

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Arrangement for controlling the feed mechanism of a rock drill

Boring or penetrating the earth – Automatic control
Patent

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Arrangement for mounting slides

Bearings – Linear bearing – Plain bearings
Patent

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Arrangement in a feed beam of a rock drill

Tool driving or impacting – Automatic control of power operated means – Tool advance causing or controlling means
Patent

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Feed apparatus for feeding capsular cartridges into drilled...

Wells – Above ground apparatus – With means for injecting solid or particulate material into...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-360366

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