File:Patent-CH-220232.pdf
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Dettagli
Inventor |
Friedrich Grube |
---|---|
Assignee |
Kaweco Badische Füllfederfabrik Friedrich Grube |
Country |
CH |
Application N° |
220232 |
Application Date |
1941-05-30 |
Patent N° |
220232 |
Brevettato |
1942-03-31 |
Priorità |
1941-06-14 |
Brand | |
Title |
Druckfüllbleistift mit zwei Minenklemmzangen |
Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per il meccanismo di una matita meccanica. Stessa invenzione di nº FR-873073. Stessa invenzione di nº BE-441770. Stessa invenzione di nº NL-56798C. Stessa invenzione di nº DK-62545C. Stessa invenzione di nº GR-9778.
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current | 18:54, 13 July 2013 | ![]() | 1,295 × 1,752, 4 pages (264 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Friedrich Grube |Assignee=Kaweco Badische Füllfederfabrik Friedrich Grube |Country=CH |ApplicationNum=220232 |ApplicationDate=1941-06-14 |PatentNum=220232 |PatentDate=1942-03-31 |PriorityDate=1941-06-14 |Titolo=Druckfüllbleisti... |
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