An improved arrangement of identification markings in books,folders,journals and the like for finding required information
IL38507A0Inactive Publication Date: 1972-03-28ABRAHAM ZVI STERN
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Patent Information
- Application Number
- IL38507
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1972-01-04
- Publication Date
- 1972-03-28
- Estimated Expiration
- Not applicable · inactive patent
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