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Individual
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Individual
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Priority to ES0278942ApriorityCriticalpatent/ES278942A1/en
Publication of ES278942A1publicationCriticalpatent/ES278942A1/en
Projector apparatus and image amplifier, characterized in that it is equipped with a condenser that embedded in the box of the device collects the light of a bulb to reflect it on other intermediates of flat, concave or convex shape. (Machine-translation by Google Translate, not legally binding)
ES0278942A1962-07-051962-07-05Projector apparatus and image amplifier (Machine-translation by Google Translate, not legally binding)
ExpiredES278942A1
(en)