File:Patent-DE-832559.pdf

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Inventor	Arnoldus Johann Michaël van der Akker
Assignee	Arnoldus Johann Michaël van der Akker
Country	DE
Application N°	A1597
Application Date	1950-05-09
Patent N°	832559
Brevettato	1952-02-25
Priorità	1949-05-10
Brand	Unbranded
Title	Schreibgerät mit konvergierenden Federspitzen
Description	Penna a stilo

Brevetto per una penna a stilo. Priorità dal brevetto olandese.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:04, 3 April 2021		1,296 × 1,754, 7 pages (485 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Arnoldus Johann Michaël van der Akker \|Assignee=Ferdinand Gizman, Fritz Gizman \|Country=DE \|ApplicationNum=A1597 \|ApplicationDate=1950-05-09 \|PatentNum=832559 \|PatentDate=1952-02-25 \|PriorityDate=1949-05-10 \|Titolo=Schreibgerät...

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