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Individual
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Individual
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Priority to ES0217293UpriorityCriticalpatent/ES217293U/en
Publication of ES217293UpublicationCriticalpatent/ES217293U/en
Paper economiser to do without envelopes in the correspondence, characterized in that it is constituted by sheet of paper of appropriate dimensions, that is bent in half and that parallel to the edges it takes a line of perforations and that it determines with the same edge of the sheet a band of paper that can be gummed on one side of the sheet of paper. (Machine-translation by Google Translate, not legally binding)
ES0217293U1975-12-101975-12-10
Paper saver for eliminating envelopes in correspondence
PendingES217293U
(en)