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Individual
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Individual
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Priority to ES0292913ApriorityCriticalpatent/ES292913A3/en
Publication of ES292913A3publicationCriticalpatent/ES292913A3/en
Improvements in reflectors, characterized by consisting of a box in which internally, between its front and rear end walls, are laid, supported on bearings of simple support, two guide rods, of which one of them has a coverage that forms a spiral channel and that, extending beyond the rear end of the box, carries a rotary knob, with the purpose of advancing or retracting a support lampholder. (Machine-translation by Google Translate, not legally binding)
ES0292913A1963-10-251963-10-25Improvements in reflectors (Machine-translation by Google Translate, not legally binding)
ExpiredES292913A3
(en)