File:Patent-GB-345712.pdf

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Inventor	Assegnatario
Assignee	Mabie, Todd & Company Limited
Country	GB
Application N°	1116/30
Application Date	1930-01-11
Patent N°	345712
Brevettato	1931-04-02
Priorità	1930-01-11
Brand	Swan
Title	Improvements in propelling pencils
Description	Matita meccanica

Brevetto per una matita meccanica. Stessa invenzione di nº CH-148515. Stessa invenzione di nº FR-693093. Stessa invenzione di nº AT-124116. Stessa invenzione di nº BE-369135.

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current	13:19, 25 April 2013		1,295 × 1,752, 4 pages (359 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Mabie, Todd & Company Limited \|Assignee=Mabie, Todd & Company Limited \|Country=GB \|ApplicationNum=1116/30 \|ApplicationDate=1930-01-11 \|PatentNum=345712 \|PatentDate=1931-04-02 \|PriorityDate=1930-01-11 \|Titolo=Improvements in prope...

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