Device for transmitting whistle signals
IL37378A0Inactive Publication Date: 1971-10-20FONTAN R
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Patent Information
- Application Number
- IL37378
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1970-08-03
- Filing Date
- 1971-07-23
- Publication Date
- 1971-10-20
- Estimated Expiration
- Not applicable · inactive patent
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