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Publication of FR642746ApublicationCriticalpatent/FR642746A/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
FR642746D1927-03-281927-03-28Perfectionnements aux cadres récepteurs pour postes de t. s. f.
ExpiredFR642746A
(fr)