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Priority to ES9902417UpriorityCriticalpatent/ES1044361Y/en
Publication of ES1044361UpublicationCriticalpatent/ES1044361U/en
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Publication of ES1044361YpublicationCriticalpatent/ES1044361Y/en
Digital aperture envelope perfected. An improved digital aperture envelope, characterized by being formed from a conventional envelope (1) provided with a closure tab (3) that is articulated by a creasing line provided with perforations (2), arranging the crease line with the perforations (2) in one of its ends of a longitudinal opening (4). (Machine-translation by Google Translate, not legally binding)
ES9902417U1999-09-221999-09-22
PERFECTED DIGITAL OPENING ENVELOPE
Expired - LifetimeES1044361Y
(en)