Improved quality and durability of information records (sound,video,etc).
IL44149A0Inactive Publication Date: 1974-06-30BLUMANN Z
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Patent Information
- Application Number
- IL44149
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1974-02-06
- Publication Date
- 1974-06-30
- Estimated Expiration
- Not applicable · inactive patent
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