Circuit arrangement for controlling insulation level of electric motor working in mine and disconnecting said electric motor from mains depending on insulation level
HUT43250A
Method for in-situ producing fodder additive of protein and vitamin content increased by fermentation from agricultural and industrial by-products of high starch value
CS913085A2
Pretreatment of two- and multi-component mixtures for chemical reactions
CN1003397B
Equipment for measuring flow and flow rate
HU195967B
Process for recovering boric acid solution, reusable in atomic power station, from radioactive solutions of atomic power station
HUT38270A
Process for preparing double- or multi-component mixtures for chemical reaction, mainly for preparing oil and water containing mixture for burning
HUT45201A
Liquid particularly water filtering device of continuous flushing
HUT37222A
Diaphragm-type liquid charging apparatus
HUT37672A
Apparatus and method for detecting flow and measuring flow velocity
HUT36396A
Method for producing stable coal-oil suspension by mechanic activation
HUT35977A
Emulsion forming device particularly for producing oil-water emulsion
HUT35546A
Method for underground purifying waste water
HUT36224A
Supporting member first for supporting mine spaces and jointing device for jointig one to another the supporting members
DE3317759A1
Conveyor with modifiable length and method for carrying out the modification of length
HUT35331A
Device for supporting underground hollows of closed section particularly mine openings
HU186646B
Device for casting silicate melts of low voscosity
ATA273382A
Mining method for mining
HU185102B
Chopping device particuralry chopping the solid phase content of contaminated fluids
DE3218271A1
Process for preparing mineral materials, particularly mining materials containing coal, chiefly brown coal and lignite, and also suspension-forming materials, in particular for carrying out the said process
HU184535B
Process and apparatus for biological purification of waste waters with living sludge
