4. Boring or penetrating the earth
  5. With magazine for successively moving unconnected, oriented...

Sven Granholm

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Ground stabilizing equipment

Dispensing – Snap-acting outlet element – Axially movable tube – sleeve – or apertured cap
Patent

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Hydraulic operated rock drilling apparatus

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

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Pipe for sticking down drains into the ground

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Rock drill equipment having a mechanized drill bit exchange

Boring or penetrating the earth – With magazine for successively moving unconnected – oriented...
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Profile ID: LFUS-PAI-P-982376

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