File:Patent-CH-259468.pdf
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Dettagli
| Inventor |
Assegnatario |
|---|---|
| Assignee |
Etablissement Stylomine |
| Country |
CH |
| Application N° |
259468 |
| Application Date |
1947-04-08 |
| Patent N° |
259468 |
| Brevettato |
1949-01-31 |
| Priorità |
1946-04-11 |
| Brand | |
| Title |
Porte-mine à plusieurs mines |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica multipla. Priorità dal brevetto francese. Stessa invenzione di nº FR-926468. Stessa invenzione di nº GB-638420. Stessa invenzione di nº US-2517522. Stessa invenzione di nº BE-472348.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:13, 10 December 2013 |  | 1,295 × 1,752, 4 pages (179 KB) | Piccardi (talk | contribs) | {{PatentInfo |Assignee=Etablissement Stylomine |Country=CH |ApplicationNum=259468 |ApplicationDate=1947-04-08 |PatentNum=259468 |PatentDate=1949-01-31 |PriorityDate=1946-04-11 |Titolo=Porte-mine à plusieurs mines |Marca=Stylomine |Descrizione=Matita m... |
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