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File:Patent-GB-397736.pdf

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Original file(1,295 × 1,752 pixels, file size: 244 KB, MIME type: application/pdf, 3 pages)
Inventor

Mirko Chelazzi, Dino Frulli

Assignee

Mirko Chelazzi, Dino Frulli

Country

GB

Application N°

35024/32

Application Date

1932-12-09

Patent N°

397736

Brevettato

1933-08-31

Priorità

1930-12-09

Brand

Zerollo

Title

Improvements in and relating to twin fountain pens

Description

Penna doppia

Riferimenti esterni

Informazioni

Brevetto per la penna doppia Zerollo. Priorità da brevetto italiano. Stessa invenzione di nº US-1893130. Stessa invenzione di nº FR-728038.

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current03:20, 29 July 2012Thumbnail for version as of 03:20, 29 July 20121,295 × 1,752, 3 pages (244 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Mirko Chelazzi, Dino Frulli |Assignee=Mirko Chelazzi, Dino Frulli |Country=GB |ApplicationNum=35024/32 |ApplicationDate=1932-12-09 |PatentNum=397736 |PatentDate=1933-08-31 |PriorityDate=1930-12-09 |Titolo=Improvements in and rel...
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