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File:Patent-GB-480717.pdf

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Original file(1,295 × 1,752 pixels, file size: 439 KB, MIME type: application/pdf, 6 pages)
Inventor

Leslie William Johnson, Edward Stephen Sears

Assignee

Mabie, Todd & Company Limited

Country

GB

Application N°

23663/36

Application Date

1936-08-17

Patent N°

480717

Brevettato

1938-02-28

Priorità

1936-08-28

Brand

Swan

Title

Improvements in or relating to propelling pencils

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica.

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Date/TimeThumbnailDimensionsUserComment
current15:01, 25 April 2013Thumbnail for version as of 15:01, 25 April 20131,295 × 1,752, 6 pages (439 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Leslie William Johnson |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=23663/36 |ApplicationDate=1936-08-17 |PatentNum=480717 |PatentDate=1938-02-28 |PriorityDate=1936-08-28 |Titolo=Improvements in or relating...
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