File:Patent-FR-759525.pdf
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Dettagli
Inventor |
Yves Zuber |
---|---|
Assignee |
Yves Zuber |
Country |
FR |
Application N° |
759525 |
Application Date |
1932-10-31 |
Patent N° |
759525 |
Brevettato |
1934-02-05 |
Priorità |
1932-10-31 |
Brand | |
Title |
Perfectionnement aux porte-plume réservoir permettant de très grosses contenances |
Description |
Compensazione flusso inchiostro |
Riferimenti esterni
Informazioni
Brevetto per un sistema di compensazione per il flusso di inchiostro basato sulla presenzadi ulteriori cavità ricavate nel corpo della penna usato come serbatoio. Il sistema lascia varie perplessità sulla reale efficacia.
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current | 02:27, 18 October 2012 | ![]() | 1,295 × 1,752, 4 pages (237 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Yves Zuber |Assignee=Yves Zuber |Country=FR |ApplicationNum=759525 |ApplicationDate=1932-10-31 |PatentNum=759525 |PatentDate=1934-02-05 |PriorityDate=1932-10-31 |Titolo=Perfectionnement aux porte-plume réservoir permettant de tr... |
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