Process for raising heaps, especially for opencast lignite mines
DE447293C
Evaporative cooling system, especially for cooling lignite
DE459413C
Device for depositing large masses of earth or the like with a counterweight for the sweeping conveyor belt
DE439112C
Cooling plates for the cooling systems, especially the brown coal briquette factories
DE459587C
Weaners
DE452484C
Chassis for an excavator connected to a conveyor bridge
DE439849C
Carriage for inclined lifts
DE445493C
Inclined elevator for rail vehicles
DE428567C
Drive device for caterpillar vehicles
DE441092C
Dust protection device for briquette extrusion
DE440377C
The open pit mine for lignite u. Like. Spanning overburden conveyor bridge with built-in rotary excavator
DE443789C
Feeding device, especially for tube dryers
DE442873C
Wave-shaped shovel for plate dryer
DE422079C
Inclined elevator for rail vehicles
DE411218C
High-pressure steam generation system with a high-pressure boiler arranged in front of a flame tube boiler serving as a medium-pressure boiler in a common furnace
DE411794C
Device for spreading out piles of debris
DE394285C
Device for separate supply of lubricating oil to both bearings of a connecting rod by a counter crank
