File:Patent-CH-81788.pdf

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:13, 3 April 2021		1,296 × 1,754, 3 pages (96 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Hermann Burkhardt \|Assignee=Hermann Burkhardt \|Country=CH \|ApplicationNum=81788 \|ApplicationDate=1918-10-25 \|PatentNum=81788 \|PatentDate=1919-12-01 \|PriorityDate=1918-10-25 \|Titolo=Füllschreibstifthalter \|Marca=Unbranded \|Descri...

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