|
JPH10184257A
|
|
Caisson settlement method and its device
|
|
JPH09294691A
|
|
Safety earpick with spherical end and slidable handle
|
|
US5234062A
|
|
Automatic evacuation drilling bucket
|
|
JPH0579268A
|
|
Automatic discharged soil drilling bucket
|
|
JPH05322076A
|
|
Boundary joint
|
|
JPH03213792A
|
|
Interface joint
|
|
JPH02101217A
|
|
Ground improving device
|
|
JPS63293220A
|
|
Slime processing equipment
|
|
JPS6378916A
|
|
Bottom-expanded excavator
|
|
JPS6355215A
|
|
Bottom-scooping bucket
|
|
JPS61294086A
|
|
Automatic earth-removing drilling bucket
|
|
JPS61277795A
|
|
Bottom-expanding excavating bucket
|
|
JPS6145085A
|
|
Pit bottom drilling backet and method used in earth drill construction method
|
|
US4488606A
|
|
Method of excavating an under-reamed pile bore
|
|
US4407376A
|
|
Under-reaming pile bore excavator
|
|
US4396076A
|
|
Under-reaming pile bore excavator
|
