A multiple slide rule for computation of check digits
IL43239A0Inactive Publication Date: 1973-11-28MAKS BESSEN
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Patent Information
- Application Number
- IL43239
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1973-09-17
- Publication Date
- 1973-11-28
- Estimated Expiration
- Not applicable · inactive patent
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