Process for reducing organic matter of alumina manufacturing sodium-aluminate solutions
HU913562D0
Direct dyeing anodic oxidation process for producing bluish grey, cornflower blue, greyish blue, dark blue or the own grey coloured oxide layer on aluminium or its alloys
HU913468D0
Direct dyeing anodic oxidation process for producing bluish grey or blue oxide layer on aluminium and aluminium alloys
HU913425D0
Directcolouring anodic oxidative process for producing green, greenish, or bluish-green oxide-coatings on aluminium or allloys
HU913251D0
Direct dyeing oxidation process for producing hard oxide layer of chocolate brown basic colour on aluminium and its alloys
HU905749D0
Measurement of gas collection efficiency by means of isotope on electrolyzing cell
ATA164590A
Hydraulic self-drilling stone anchor
HU903518D0
Composition for treating aluminium surfaces before anodizing
HU902573D0
Self-cleaning filtering apparatus for separating floating particles particularly contaminations from fluid
HU902428D0
Cellular feeder for feeding solid granular and/or dustlike particularly material of high temperature e.g. alumina breaking-out from calcining furnace
DE3942660A1
Lightweight thermally insulating and load bearing panel - has balls of thermally insulating material embedded in load bearing material
HU896024D0
Joining of heat-transfer tubes of series-connected single-duct heat exchangers
HUT53559A
Milling apparatus of stirrer
HUT54546A
Method and apparatus for pulverizing metals respectively alloys by quick cooling
HU201276B
Process for producing alum earth from bauxite containing gibbsite
HUT51372A
Method and arrangement for intensifying the heat recovery of recuperation systems particularly alumina-factroy discovery lines
HUT54435A
Connection for mechanical and electrical connecting anode or cathodes of an aluminium electrolyser to a current conductor
HUT53696A
Apparatus for sampling from pipeline
HUT49544A
Process for producing sodium- and potassium-aluminate from aluminium-silicate withhydrochemical treating
HU204309B
Process for electrolytic producing colourproof blue oxid layer on aluminium and it's alloys
