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Application filed by Automatic Telephone & ElectfiledCriticalAutomatic Telephone & Elect
Application grantedgrantedCritical
Publication of DK74136CpublicationCriticalpatent/DK74136C/da
DK264650A1949-09-141950-08-12Apparat til frembringelse af varierende styrespændinger til fremvisning af tegn på skærmen i et katodestrålerør.
DK74136C
(da)