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Individual
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Individual
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Priority to ES0249570ApriorityCriticalpatent/ES249570A1/en
Publication of ES249570A1publicationCriticalpatent/ES249570A1/en
Commercial economic procedure for increasing sales, especially of bookstore characterized by the fact that as a first operation some cards are made that are interpolated between the pages of the books which have the characteristic of being folded by their mitady in one of their bodies. The class that they are but with advertising character. (Machine-translation by Google Translate, not legally binding)
ES0249570A1959-05-221959-05-22Economic-commercial procedure for sales increase (Machine-translation by Google Translate, not legally binding)
ExpiredES249570A1
(en)
New system for the incrementation of sales in trade, through the delivery of a propagandistic booklet (Machine-translation by Google Translate, not legally binding)