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TELEGRAPHES MULTIPLEX SOC D
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TELEGRAPHES MULTIPLEX SOC D
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Application filed by TELEGRAPHES MULTIPLEX SOC DfiledCriticalTELEGRAPHES MULTIPLEX SOC D
Application grantedgrantedCritical
Publication of FR524150ApublicationCriticalpatent/FR524150A/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
FR524150A1919-05-061919-05-06Poste récepteur de télégraphie sans fil à cadre accordé
ExpiredFR524150A
(fr)