Group by: Item Type | No Grouping Jump to: Patent Number of items: 2. PatentCouncil of Scientific and Industrial Research (1969) Improvements in or relating to electrolyte for tantalum electrolytic capacitors. 115204. Council of Scientific and Industrial Research (1966) Improvements in or Relating to Etching of Foils of Aluminium or Aluminium alloys for Capacitors. 100313. |