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Priority to ES0060766UpriorityCriticalpatent/ES60766Y/en
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Ignition Installations For Internal Combustion Engines
(AREA)
Abstract
Electric wall for school use, characterized in that an electric circuit is actuated internally by battery and mains power socket, for which purpose a battery equipped with its corresponding contacts from which a thread starts is placed. soldering on a pole of the socket, fixed by means of a plate; also, and from the other pole of said lampholder, a thread whose terminal is equipped with a pointer to contact at the points of contact of the questions. (Machine-translation by Google Translate, not legally binding)
ES0060766U1957-07-021957-07-02
Electric wall for school use
ExpiredES60766Y
(en)
Improvements in the devices for the limitation and protection of electrical current lines. (Machine-translation by Google Translate, not legally binding)
Circuit transformer of the current generated by the battery of the automobiles to make it useful to other electrical appliances (Machine-translation by Google Translate, not legally binding)
New electrical circuit for the automatic operation of expositors devices of slides or stereoscopic views (Machine-translation by Google Translate, not legally binding)