A process for the manufacture of rods of thermoplastic material,having internal capillary ducts,for the preparation of pen nibs incorporating capillary ink ducts
IL44521A0Inactive Publication Date: 1974-06-30ISRAGUM
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Patent Information
- Application Number
- IL445
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1973-10-30
- Filing Date
- 1974-03-28
- Publication Date
- 1974-06-30
- Estimated Expiration
- Not applicable · inactive patent
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