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Priority to ES0157604UpriorityCriticalpatent/ES157604Y/en
Publication of ES157604UpublicationCriticalpatent/ES157604U/en
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Publication of ES157604YpublicationCriticalpatent/ES157604Y/en
Frame frame portraits, characterized essentially by the fact that on its inner face and adjacent to the receiving frame of the portrait and the transparent protective plate, has slots running along at least two opposite sides of the frame. frame and which are open by one of the intermediate sides, in which the backing plate of the frame, equipped with the corresponding support device thereof, is mounted in sliding position. (Machine-translation by Google Translate, not legally binding)
System of printing and projection of cinematographic films with total elimination of centelleo (Machine-translation by Google Translate, not legally binding)