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Individual
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Priority to ES109442UpriorityCriticalpatent/ES109442Y/en
Publication of ES109442UpublicationCriticalpatent/ES109442U/en
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Publication of ES109442YpublicationCriticalpatent/ES109442Y/en
Envelope opener composed of a laminar body characterized in that on one of its edges it has a longitudinal channel that serves as a sliding guide on the spine or edge of the envelope whose guide channel is interrupted towards one end by a recess in the body of the apparatus in order of forming the necessary space for a horizontal appendage located in said recess whose appendix has a sharp point of penetration in the envelope and the upper edge sharp to cut and open the spine or doubles of the envelope. (Machine-translation by Google Translate, not legally binding)
ES109442U1964-11-121964-11-12
AN ENVELOPE OPENER.
ExpiredES109442Y
(en)