|
US7506462B2
(en)
|
|
Excavation bucket assembly
|
|
US4185698A
(en)
|
|
Adjustable auger dozer
|
|
US6913086B2
(en)
|
|
Skimmer
|
|
SU217279A1
(cs)
|
|
|
|
CN210562361U
(zh)
|
|
一种推土机构及铲土运输机械
|
|
US4383380A
(en)
|
|
Earth moving scraper
|
|
US4388769A
(en)
|
|
Earth moving scraper
|
|
US4398363A
(en)
|
|
Earth moving scraper
|
|
US5090141A
(en)
|
|
Adjustable blade holder
|
|
US5046565A
(en)
|
|
Blade and linkage mechanism with downdraft control
|
|
US3209475A
(en)
|
|
Earth scraper
|
|
CA2466940C
(en)
|
|
Trenching method and apparatus
|
|
US3903623A
(en)
|
|
Automatic adjustment of scraper elevator using servo system having ground engaging shoe
|
|
US20110271562A1
(en)
|
|
Tiltable Bucket Attachment
|
|
US6367177B1
(en)
|
|
Trench restoration apparatus
|
|
US4028822A
(en)
|
|
Manually operable depth control for trenchers
|
|
US3218740A
(en)
|
|
Bulldozer modified blade-bucket unit
|
|
US3466768A
(en)
|
|
Trenching machine having earthworking members extending to progressively greater depths
|
|
US3994349A
(en)
|
|
Apparatus for reclaiming strip-mined land
|
|
US6625908B1
(en)
|
|
Apparatus for digging a trench
|
|
US3325927A
(en)
|
|
Front end ripper attachment for bulldozer
|
|
GB2027771A
(en)
|
|
Deep Vertical Trench Plough
|
|
US4718182A
(en)
|
|
Trencher with adjustable chisel
|
|
SU242056A1
(ru)
|
|
Одноотвальный плужный канавокопатель
|
|
CA1259791A
(en)
|
|
Trench digging device
|