Procedure for securing the surface environment of filled day shafts
DE19713586A1
Conveyor belt tracker device for bulk good conveyors
DE19643417A1
Arrangement for holding circuit breakers in compact stations in mines and tunnels
DE19641922C1
System for producing bore holes for setting anchors
DE19638050A1
Anchor plate for securing wall of mine construction
DE19631881C1
Method of fixing explosion barrier in underground mining and tunnelling operations
DE19629039A1
Matting used to line excavated stretches
DE19628367A1
Coal-cutting sequence employed in underground mining
DE19625257A1
Transportable safety set for railway operations in marshalling and loading yards
DE19616034A1
Heat exchanger for weather cooling in mining and tunneling work areas
DE19680137D2
Method and device for hanging up and erecting water troughs serving as an explosion barrier in underground mining and tunnel construction
ES2147481A1
Procedure and device for suspending and installing water arts that serve as barriers against explosions in the underground mining and in the construction of tunnels.
DE19603713A1
Method and device for hanging up and setting up water troughs serving as an explosion barrier in underground mining and tunnel construction
DE19549213A1
Screed equipment with a number of extraction machines
DE19542254A1
Process for the optimized orientation of mining operations, especially in a hard coal deposit
DE19541707A1
Process for mining coal seams during peeling extraction by means of a plane controlled by group-controlled expansion units
DE19538726A1
Feed and guide system for roller loaders
DE19537100A1
Hanger
DE19528644A1
Coal face equipment with extraction control - has series of integrated modules housed in capsules secure against fire damp
DE19523032A1
Lecithin used as wetting agent in water for settling dust e.g. in coal mines
