File:Patent-US-2480014.pdf

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Inventor	Werner Germann
Assignee	Fabrique Suisse De Crayons Caran D'Ache
Country	US
Application N°	790572
Application Date	1947-12-09
Patent N°	2480014
Brevettato	1949-08-23
Priorità	1946-01-17
Brand	Caran D'Ache
Title	Changeable propelling pencil
Description	Matita meccanica multipla

Brevetto per una matita meccanica multipla. Priorità dal brevetto svizzero. Riferimenti a nº US-2219769.

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current	00:25, 25 March 2021		1,159 × 1,704, 6 pages (401 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Werner Germann \|Assignee=Fabrique Suisse De Crayons Caran D'Ache \|Country=US \|ApplicationNum=790572 \|ApplicationDate=1947-12-09 \|PatentNum=2480014 \|PatentDate=1949-08-23 \|PriorityDate=1946-01-17 \|Titolo=Changeable propelling penc...

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