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- Boring or penetrating the earth
- Cutter element laterally shiftable below ground
- Cutter element shifted by longitudinally relatively movable...
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Allen J. Gourley
Allen J.
Gourley
- Patent Class
Boring or penetrating the earth
- SubClass
Cutter element laterally shiftable below ground
- SubSubClass
Cutter element shifted by longitudinally relatively movable...
- Specialty
Inventor
- Status
active
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Profile ID: LFUS-PAI-P-2334517
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