File:Patent-GB-1255389.pdf

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Inventor	Brook Arthur Denis
Assignee	Conway Stewart & Co.
Country	GB
Application N°	29088/64
Application Date	1969-07-14
Patent N°	1255389
Brevettato	1971-12-01
Priorità	1969-07-14
Brand	Conway Stewart
Title	Improvements in and relating to a writing instruments
Description	Penna a sfera

Brevetto per una penna a sfera.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:27, 17 August 2019		1,296 × 1,754, 7 pages (429 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Brook Arthur Denis \|Assignee=Conway Stewart & Co. \|Country=GB \|ApplicationNum=29088/64 \|ApplicationDate=1969-07-14 \|PatentNum=1255389 \|PatentDate=1971-12-01 \|PriorityDate=1969-07-14 \|Titolo=Improvements in and relating to a writ...

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