Silverless brazing paste for direct brazing contacts of silver-metal-oxide content and various copper alloys
HUT54215A
Process for recovering gold, silver, palladium and other non-ferrous metals by chemical reduction from precious metal or non-ferrous metal solutions comprising cyan or other complex forming material
HUT52570A
Polishing and stabilizing composition for sulphur-acid-hydrogene-peroxid pickling of copper and copper-alloys
HUT51343A
Composition for rapid chemical dissolution of tin and tin-lead alloys from metal surfaces
HU196232B
Electronic conducting paste for contacting plastic carriers
HU196468B
Electrode paste for contacting inorganic support
HUT46750A
Composition for blackening alloyes of iron, steel and zinc on low temperatures
HUT41285A
Method for producing silver powder
HU192359B
Process for producing activated-surface laminar-structure silver pigment suitable for electronics purpose
HU186993B
Process for separation of gold, silver, palladiom, copper and nickel
