File:Patent-FR-570444.pdf
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Dettagli
Inventor |
Karl Fend |
---|---|
Assignee |
Karl Fend |
Country |
FR |
Application N° |
570444 |
Application Date |
1923-07-28 |
Patent N° |
570444 |
Brevettato |
1924-04-30 |
Priorità |
1923-07-28 |
Brand | |
Title |
Porte-mine |
Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica. Stessa invenzione di nº GB-220435.
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current | 23:57, 14 December 2013 | ![]() | 1,295 × 1,752, 3 pages (157 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Karl Fend |Assignee=Karl Fend |Country=FR |ApplicationNum=570444 |ApplicationDate=1923-07-28 |PatentNum=570444 |PatentDate=1924-04-30 |PriorityDate=1923-07-28 |Titolo=Porte-mine |Marca=Fend |Descrizione=Matita meccanica }} ==Info... |
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