Envelope that can be opened by means of a thread glued or otherwise incorporated along one of the child folds of the envelope itself
IT7435530U1Inactive Publication Date: 1975-07-23NERI MARIO +1
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Patent Information
- Authority / Receiving Office
- IT · IT
- Patent Type
- Utility models
- Current Assignee / Owner
- NERI MARIO
- Filing Date
- 1974-01-23
- Publication Date
- 1975-07-23
- Estimated Expiration
- Not applicable · inactive patent
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