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Individual
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Individual
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Priority to ES345723ApriorityCriticalpatent/ES345723A1/en
Publication of ES345723A1publicationCriticalpatent/ES345723A1/en
Perfections in extensible antennas, of the type formed by several tubular elements disposed coaxially and capable of telescopically extending, which are received in a similar tubular insulating and resistant sheath provided with fixing means to the corresponding supports, characterized by incorporating bushings between the consecutive tubes, whose sockets play a double function of separation between the suitably enhanced end points that form the support in the extension of the antenna by increasing the resilient moment of embedment, and of elastic means in a surrounding spring that provides the adequate smoothness of friction in the displacement relative of the adjacent elements. (Machine-translation by Google Translate, not legally binding)
ES345723A1967-10-041967-10-04Improvements in extensible antennas. (Machine-translation by Google Translate, not legally binding)
ExpiredES345723A1
(en)