File:Patent-GB-336190.pdf
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Dettagli
| Inventor |
Claus Johannes Voss, Christian Lausen, Wilhelm Dziambor |
|---|---|
| Assignee |
Simplo Füllfeder Gesellshaft Voss, Lausen & Dziambor |
| Country |
GB |
| Application N° |
4539/30 |
| Application Date |
1930-02-11 |
| Patent N° |
336190 |
| Brevettato |
1930-10-09 |
| Priorità |
1929-02-28 |
| Brand | |
| Title |
Improvements in or relating to propeller pencils |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica. Stessa invenzione di nº DE-481237. Stessa invenzione di nº US-1833244. Stessa invenzione di nº FR-690093.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:21, 18 November 2012 |  | 1,295 × 1,752, 2 pages (94 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Claus Johannes Vos, Christian Lausen, Wilhelm Dziabor |Assignee=Simplo Füllfeder Gesellshaft Voss, Lausen & Dziambor |Country=GB |ApplicationNum=4539/30 |ApplicationDate=1930-02-11 |PatentNum=336190 |PatentDate=1930-10-09 |Prior... |
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