Improvements in tax-meters of telephone subscribers
IL40706A0Inactive Publication Date: 1972-12-29OGDEN H
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Patent Information
- Application Number
- IL407
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1972-10-31
- Publication Date
- 1972-12-29
- Estimated Expiration
- Not applicable · inactive patent
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