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• 06:20, 21 March 2024 Peter talk contribs created page Patent CA 1112283A (Created page with "{{Patent |Office=CA |Number=1112283A |Title=Quadrupole lens having interdigitated lobes on adjacent tubular members |Company=Tektronix Inc |Inventors=Bozidar Janko |Filing date=1980-07-31 |Grant date=1981-11-10 }}")