File:Patent-FR-922791.pdf
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Dettagli
| Inventor |
Assegnatario |
|---|---|
| Assignee |
Etablissements Stylomine |
| Country |
FR |
| Application N° |
922791 |
| Application Date |
1946-01-04 |
| Patent N° |
922791 |
| Brevettato |
1947-06-18 |
| Priorità |
1946-01-04 |
| Brand | |
| Title |
Plume à pointe dure pour stylographe |
| Description |
Pennino in acciaio |
Riferimenti esterni
Informazioni
Brevetto per le modalità di ottenere una saldatura resistente delle punte in osmiridio su pennini in acciaio. Brevetto senza immagini di difficile interpretazione.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:23, 21 October 2012 |  | 1,295 × 1,752 (62 KB) | Piccardi (talk | contribs) | {{PatentInfo |Assignee=Etablissements Stylomine |Country=FR |ApplicationNum=922791 |ApplicationDate=1946-01-04 |PatentNum=922791 |PatentDate=1947-06-18 |PriorityDate=1946-01-04 |Titolo=Plume à pointe dure pour stylographe |Marca=Stylomine |Descrizione... |
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