ES34889U - Book with cut-out drawings superimposed and electrically illuminated (Machine-translation by Google Translate, not legally binding)
- Google Patents
Book with cut-out drawings superimposed and electrically illuminated (Machine-translation by Google Translate, not legally binding)
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CLAVEL Y CIA
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CLAVEL Y CIA
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Priority to ES0034889UpriorityCriticalpatent/ES34889Y/en
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Common Detailed Techniques For Electron Tubes Or Discharge Tubes
(AREA)
Abstract
A book with cut-out drawings, superimposed and electrically illuminated, characterized by the fact that the set consisting of the electric lighting lamp, its lamp holder and the cylindrical case of its series of power cells, is housed inside the wire spiral that reads the book; and that its case is provided, in its lower base, with an axial pulsation contactor, and with interruption by elastic recoil. (Machine-translation by Google Translate, not legally binding)
ES0034889U1953-02-161953-02-16
Book with overlapping, electrically illuminated cutouts
ExpiredES34889Y
(en)
Improvements in intermediate connection devices that guarantee the progressive lighting of the electric lamps of incandescence (Machine-translation by Google Translate, not legally binding)