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Individual
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Individual
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Priority to ES19939300439UpriorityCriticalpatent/ES1023745U/en
Publication of ES1023745UpublicationCriticalpatent/ES1023745U/en
Device for opening envelopes; characterized in that is formed by a thread sticking at or near foldline that define the flap closing on for your interior face, introducing the thread length something larger than the on long, so the thread sticks in a small that stretch tops for free in your butt widening facilitating their asido with fingers to tear through the thread the envelope. (Machine-translation by Google Translate, not legally binding)
ES19939300439U1993-02-181993-02-18Envelope opening device. (Machine-translation by Google Translate, not legally binding)
CeasedES1023745U
(en)
Mechanism of opening and closure that is actioned in the direction and sense of opening of the door. (Machine-translation by Google Translate, not legally binding)