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Council of Scientific and Industrial Research (1982) The continuous process for the surface graining of aluminium foil for aluminium offset lithographic plates used in duplicating machine. 150486.

Council of Scientific and Industrial Research (1981) An improved device for electrolytic etching of aluminium foil using direct current. 148324.

Council of Scientific and Industrial Research (1980) Improved process for the production of dielectric oxide film coated etched aluminium foil for use as anode in high voltage electrolytic capacitor. 148226.

Council of Scientific and Industrial Research (1980) An improved for the removal of chloride ions from an etched aluminium foil for use in aluminium electrolytic capacitor. 148080.

Council of Scientific and Industrial Research (1977) Improvements in or relating to etching of aluminium or its alloy for use as electrode in aluminium electrolytic capacitor. 141250.

Council of Scientific and Industrial Research (1976) Improvements in or relating to etching of aluminium or its alloy for use as electrodes in aluminium electrolytic capacitors. 139702.

Council of Scientific and Industrial Research (1976) Improvements in or relating to drive arrangements for foil materials through continous processing equipment with special reference to the maintanance of constant linear speed. 139258.

Council of Scientific and Industrial Research (1974) Improvements in or relating to heat treatment of etched aluminium and its alloy for use as electrodes in aluminium electrolytic capacitors. 131900.

Council of Scientific and Industrial Research (1969) Improvements in or relating to electrolyte for tantalum electrolytic capacitors. 115204.

Council of Scientific and Industrial Research (1967) Improvements in or relating to etching of tantalum for use in electrolytic capacitors. 103971.