File:Patent-BE-441770.pdf
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Dettagli
| Inventor |
Friedrich Grube |
|---|---|
| Assignee |
Kaweco Badische Füllfederfabrik Friedrich Grube |
| Country |
BE |
| Application N° |
441770 |
| Application Date |
1941-06-17 |
| Patent N° |
441770 |
| Brevettato |
1941-07-31 |
| Priorità |
1941-06-17 |
| Brand | |
| Title |
Porte-mine à pression avec deux pinces à mine |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per il meccanismo di una matita meccanica. Stessa invenzione di nº FR-873073. Stessa invenzione di nº CH-220232. Stessa invenzione di nº NL-56798C. Stessa invenzione di nº DK-62545C. Stessa invenzione di nº GR-9778.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:16, 20 April 2021 |  | 1,239 × 1,754, 8 pages (458 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Friedrich Grube |Assignee=Kaweco Badische Füllfederfabrik Friedrich Grube |Country=BE |ApplicationNum=441770 |ApplicationDate=1941-06-17 |PatentNum=441770 |PatentDate=1941-07-31 |PriorityDate=1941-06-17 |Titolo=Porte-mine à pre... |
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