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CHOLIN FERRY ET PAUL ETS
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CHOLIN FERRY ET PAUL ETS
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Application filed by CHOLIN FERRY ET PAUL ETSfiledCriticalCHOLIN FERRY ET PAUL ETS
Application grantedgrantedCritical
Publication of FR650508ApublicationCriticalpatent/FR650508A/fr
H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
FR650508D1928-03-061928-03-06Perfectionnements aux cadres récepteurs et autres appareils de radiotéléphonie
ExpiredFR650508A
(fr)