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Individual
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Priority to ES0150467UpriorityCriticalpatent/ES150467Y/en
Publication of ES150467UpublicationCriticalpatent/ES150467U/en
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Publication of ES150467YpublicationCriticalpatent/ES150467Y/en
Circular coil ballast, characterized by a bovine of circular section and, exceptionally, elliptical or oval, enclosed totally in a block that constitutes the core, of uniformly distributed air gap, said block having externally the most suitable form for its lodging in its support, extending the terminals of the coil by the indicated mass, until leaving the outside of it. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of quartz enclosures of one piece for electrical lamps (Machine-translation by Google Translate, not legally binding)