File:Patent-FR-728038.pdf

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Original file(1,295 × 1,752 pixels, file size: 803 KB, MIME type: application/pdf, 9 pages)
Inventor

Mirko Chelazzi, Dino Frulli

Assignee

Mirko Chelazzi, Dino Frulli

Country

FR

Application N°

728038

Application Date

1931-12-09

Patent N°

728038

Brevettato

1932-06-27

Priorità

1930-12-09

Brand

Zerollo

Title

Porte-plume à réservoir à plumes jumelées

Description

Penna doppia

Riferimenti esterni

Informazioni

Brevetto per la penna doppia Zerollo. Priorità dal brevetto italiano. Stessa invenzione di nº GB-397736. Stessa invenzione di nº US-1893130.

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current03:25, 29 July 2012Thumbnail for version as of 03:25, 29 July 20121,295 × 1,752, 9 pages (803 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Mirko Chelazzi, Dino Frulli |Assignee=Mirko Chelazzi, Dino Frulli |Country=FR |ApplicationNum=728038 |ApplicationDate=1931-12-09 |PatentNum=728038 |PatentDate=1933-01-03 |PriorityDate=1930-12-09 |Titolo=Porte-plume à réservoir...
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关于“Patent-FR-728038.pdf”的事实
Application date1931年12月9日 (三) +
Application number728038 +
Assigned toMirko Chelazzi, Dino Frulli +
Invented byMirko Chelazzi +和Dino Frulli +
Patent date1932年6月27日 (一) +
Patent descriptionPenna doppia +
Patent number728038 +
Patent titlePorte-plume à réservoir à plumes jumelées +
Patented byZerollo +
Patented inFR +
Priority date1930年12月9日 (二) +
Same invention ofFile:Patent-GB-397736.pdf +File:Patent-US-1893130.pdf +