Dock fender structure
Dock support
Docking system for loading and unloading cargo vessels in...
Door
Door seal for water slide gates
Double covered pile
Double hoist drive using load coupled hold and close...
Double wall structure type mechanically stabilized earth...
Downward vortex dissipator basin
Dozer attachment for excavator
Dozer blade assembly for tractors
Dozer blade pitch control system
Dozer with no bind tilt linkage
Dragline
Dragline apparatus and bucket
Dragline arrangement for telescopic hydraulic crane
Dragline bucket
Dragline bucket
Dragline bucket
Dragline bucket and method of operating the same