Educational game
IL31742A0Inactive Publication Date: 1969-05-28FREUND C
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Patent Information
- Application Number
- IL31742
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1969-03-06
- Publication Date
- 1969-05-28
- Estimated Expiration
- Not applicable · inactive patent
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