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Priority to ES0315963ApriorityCriticalpatent/ES315963A2/en
Publication of ES315963A2publicationCriticalpatent/ES315963A2/en
Improvements introduced in the object of the main patent number 243,726, which refers to "Improvements introduced in television antennas, which are characterized by the central support consists of two identical pieces that are assembled by screws, which originate with each other a transverse conduit whose internal path has two different diameters, for coupling on each side a tube of different diameter, the ends of whose tubes are fixed by means of screws that pass through them while completing the meeting of said two parts of which it is composed the support. (Machine-translation by Google Translate, not legally binding)
ES0315963A1965-07-291965-07-29Improvements in the television antennas. (Machine-translation by Google Translate, not legally binding)
ExpiredES315963A2
(en)
A device for switching the connection to one of two or more large diameter distribution pipes. (Machine-translation by Google Translate, not legally binding)
A system for the manufacture of utmlaje, conformadores or removable structures with elements and interchangeable and standardized pieces (Machine-translation by Google Translate, not legally binding)