Method and apparatus for purification of running water with muche alga
HU896747D0
Tube cleaner equipment
HU896746D0
Process for producing catalyst suitable for removing iron and/or manganese from potable water
HU896187D0
Process for activ sludge purification of sewege-water containing biologically decomposing toxic substances by determination of the most convenient reactor type and reactor arrangment
HU895922D0
Biological sewage purifier with circular cells
HU895659D0
Process for alive sludge-cleaning of sewages containing biologically decomposed toxic materials by determination the most suitable reactor type and reactor arrangement
HU205012B
Method and apparatus for purifying air current contaminated by odour-forming gases by chemical reaction
HUT60219A
Coagulator for drinking-water-purifying systhem with container of modul systhem
HUT55705A
Process for chemical clarification of aqueous dispersions in multistep technology by producing and separating gradually formed floccules
HUT50962A
Method and device for detecting thickness of wet concrete layer on the inner wall of a pipeline
HUT52982A
Coagulation filter
HUT48137A
Tube cleaning apparatus
HU198336B
Equipment for high-accuracy measurement of pressure and temperature, preferably in thermal wells
HUT49315A
Equipment for reducing specific quantity of lump wastes in sewage system
HUT49546A
Arrangement for biologicalpurification of waste waters of different composition and yield
HUT47507A
Process for quick compostmaking communal sewage sludge
HUT47503A
Horizontal strake sedimentator with slewable strake
HUT41342A
Process for diminishing phosphorous content in biologically purified communalvaste waters
