File:Patent-DE-447802.pdf

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Inventor	Rokusaburo Namiki
Assignee	Rokusaburo Namiki
Country	DE
Application N°	24276
Application Date	1925-03-10
Patent N°	447802
Brevettato	1927-07-29
Priorità	1925-03-10
Brand	Pilot
Title	Schreibstift mit zwei Schreibspitzen
Description	Matita meccanica

Brevetto per una matita meccanica, attribuito alla Pilot per la somiglianza dei nomi, ma l'attribuzione resta incerta.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:33, 29 March 2020		1,296 × 1,754, 3 pages (142 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Rokusaburo Namiki \|Assignee=Rokusaburo Namiki \|Country=DE \|ApplicationNum=24276 \|ApplicationDate=1925-03-10 \|PatentNum=447802 \|PatentDate=1927-07-29 \|PriorityDate=1925-03-10 \|Titolo=Schreibstift mit zwei Schreibspitzen \|Marca=Pil...

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