4. Boring or penetrating the earth
  5. With storage means for bit lubricant carried by bit or shaft
  6. With fluid pressure-actuated feed means

Samuel L. Penny

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Rock bit lubrication system utilizing expellable plug for obtain

Boring or penetrating the earth – With storage means for bit lubricant carried by bit or shaft – With fluid pressure-actuated feed means
Patent

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Subsea template and method for using the same

Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
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Profile ID: LFUS-PAI-P-1896188

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