IMPROVED VISUAL INTERCOM RECEIVER
IT7321416U1Inactive Publication Date: 1974-11-10BARBUTI OTTORINO
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Patent Information
- Authority / Receiving Office
- IT · IT
- Patent Type
- Utility models
- Current Assignee / Owner
- BARBUTI OTTORINO
- Filing Date
- 1973-05-10
- Publication Date
- 1974-11-10
- Estimated Expiration
- Not applicable · inactive patent
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