Method and apparatus for making the human voice audible and comprehensible to deep-deaf persons
IL31312A0Inactive Publication Date: 1969-02-27EMANUELE BIONDI +1
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Patent Information
- Application Number
- IL31312
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1967-12-28
- Filing Date
- 1968-12-23
- Publication Date
- 1969-02-27
- Estimated Expiration
- Not applicable · inactive patent
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