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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES1974203075UpriorityCriticalpatent/ES203075Y/en
Publication of ES203075UpublicationCriticalpatent/ES203075U/en
Application grantedgrantedCritical
Publication of ES203075YpublicationCriticalpatent/ES203075Y/en
Safety closure for envelopes, characterized by being constituted by two washers in the form of a button, the first of which is fixed on the edge of the folding flap of the envelope and the second, in vertical position with respect to the previous and maintaining a suitable separation of the same, is fixed on the body of the envelope itself, making the fixing of said washers on their respective points of enclave through a central eyelet and a metal rivet that bends it. (Machine-translation by Google Translate, not legally binding)
ES1974203075U1974-05-141974-05-14
SECURITY CLOSURE FOR ENVELOPES.
ExpiredES203075Y
(en)