4. Bearings
  5. Rotary bearing
  6. Roller drill bit

Sean Andrish

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Automatic SPT monitor

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight
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Automatic SPT monitor

Boring or penetrating the earth – Automatic control – Of advance or applied tool weight
Reexamination Certificate

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Bearing assembly, and bearing apparatus and motor assembly...

Bearings – Rotary bearing – Roller drill bit
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Connection element and a sheet pile wall having such a...

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
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Control device

Boring or penetrating the earth – Below-ground impact members
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Profile ID: LFUS-PAI-P-2181648

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