Adjustable blade holder
Agricultural ditching method and apparatus
Apparatus for covering drilling mud liquids in a surface depress
Apparatus for high-speed trench digging beside highways
Apparatus for laying an underground member
Apparatus for preparing trenches
Apparatus for removing ballast from beneath a railroad track
Articulated toothed excavating drum for road side ditches of des
Back hoe ripper-trencher converter
Bucket wheel excavator
Bucket wheel with supporting body
Bucket-wheel excavator
Bucket-wheel trench excavator having a four-element articulated
Chain trencher
Control of excavation apparatus
Conveyor attachment for spoils removal from a trench digging mac
Device for assembling tools on a wheel, particularly cutting too
Device for digging a trench
Device for digging trenches
Ditch cleaning machine