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Application filed by Peddinghaus Paul Ferd FafiledCriticalPeddinghaus Paul Ferd Fa
Application grantedgrantedCritical
Publication of AT173103BpublicationCriticalpatent/AT173103B/de
AT173103D1949-10-271949-11-30Einrichtung zum Vergleich der Meßgrößen, wie Frequenzen, Phasen usw., vorzugsweise jedoch Intensitäten von Strahlungen
AT173103B
(de)