File:Patent-GB-191330070.pdf

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Original file(1,239 × 1,754 pixels, file size: 179 KB, MIME type: application/pdf, 4 pages)

Dettagli

Inventor

Cecil Bristow

Assignee

Cecil Bristow

Country

GB

Application N°

191330070

Application Date

1913-12-31

Patent N°

191330070

Brevettato

1914-10-01

Priorità

1913-12-31

Brand

Swan

Title

Improvements in or relating to Magazine Pencils

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica. Attribuito alla Swan per le precedenti relazioni dell'inventore con questa marca.

File history

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Date/TimeThumbnailDimensionsUserComment
current13:18, 6 June 2020Thumbnail for version as of 13:18, 6 June 20201,239 × 1,754, 4 pages (179 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Cecil Bristow |Assignee=Cecil Bristow |Country=GB |ApplicationNum=191330070 |ApplicationDate=1913-12-31 |PatentNum=191330070 |PatentDate=1914-10-01 |PriorityDate=1913-12-31 |Titolo=Improvements in or relating to Magazine Pencils...

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