File:Patent-DE-718495.pdf

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Inventor	Heinrich Woringen, Robert Nitzsche
Assignee	Kaweco Badische Füllfederfabrik Friedrich Grube
Country	DE
Application N°	K146762
Application Date	1937-06-03
Patent N°	718495
Brevettato	1944-09-29
Priorità	1937-06-03
Brand	Kaweco
Title	Druckfuellbleistift mit zwei Minenklemmzangen
Description	Matita meccanica

Brevetto per il meccanismo di una matita meccanica.

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current	18:36, 13 July 2013		1,295 × 1,752, 4 pages (286 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Heinrich Woringen, Robert Nitzsche \|Assignee=Kaweco Badische Füllfederfabrik Friedrich Grube \|Country=DE \|ApplicationNum=K146762 \|ApplicationDate=1937-06-03 \|PatentNum=718495 \|PatentDate=1944-09-29 \|PriorityDate=1937-06-03 \|Tito...

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