Boring or penetrating the earth
Cutter element laterally shiftable below ground
Plural cutter elements longitudinally relative movable into...
Inventor
active
Automatic evacuation drilling bucket
Method of excavating an under-reamed pile bore
Under reaming pile bore excavating bucket and method of its exca
Under-reaming pile bore excavator
Under-reaming pile bore excavator
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Profile ID: LFUS-PAI-P-709093