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Individual
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Individual
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Priority to ES286781ApriorityCriticalpatent/ES286781A1/en
Publication of ES286781A1publicationCriticalpatent/ES286781A1/en
Safety switch, in which it can carry out the switching of several circuits, at the same time, being interposed, on the one hand, in the primary circuit of the power transformer and on the other hand, in the circuit of the anode voltage source, TV. (Machine-translation by Google Translate, not legally binding)
ES286781A1963-04-051963-04-05Security switch (Machine-translation by Google Translate, not legally binding)
ExpiredES286781A1
(en)