Control mechanism of feeding means with tubular chambers for hydraulic handling equipment
US4865492A
Actuating device for pipe-chamber feeders of hydraulic transport equipment
EP0252073A1
Actuating device for valves or similar closing appliances in pipe-chamber feeders of hydraulic transport equipments.
CN1011326B
Cut off the method for current in natural and artificial underground cavity pocket or the tunnel with rock stuffing
CN1011523B
Method and apparatus for digging high-dipping layers of mine, particularly high-dipping seams of coal
CN1013788B
Shutoff is natural cheats cave, the method for current in the tunnel down with the artificially
CS643685A2
Method and device for minerals' high-dipping seams breaking especially high-dipping coal seams
GB8333955D0
Surveillance system, in particular for personnel registration in mines
FR2554007A1
Process and device for separating grease-water and / or oil-water emulsions
PL231926A1
Lining assembly for mining,especially for longwall working
GB2100845A
Protective sheathing for blasting materials
SI8111147A8
Device for an underground pit, particulery for exploating thick layers
AU6419680A
Loading slope-bridge
FR2492393A1
After-glowing transparent material for panelling - comprising silicone rubber, crosslinking agent, after-glowing luminous powder, silicone oil and opt. other additives
GB2085465A
Afterglowing transparent material and a process for its manufacture
GB2075352A
Equipment for the delivery of slurry and refinement during delivery
GB2068534A
Device for continuous analysis of a stream of material
EP0017652A1
Method for identifying an object with the aid of nuclear radiation
