File:Patent-GB-533420.pdf

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Original file(1,295 × 1,752 pixels, file size: 496 KB, MIME type: application/pdf, 5 pages)

Dettagli

Inventor

Charles George Todd

Assignee

Harry C. Stephens Limited

Country

GB

Application N°

29506/39

Application Date

1939-11-06

Patent N°

533420

Brevettato

1941-02-12

Priorità

1939-11-06

Brand

Stephens

Title

A device for use in the preparation of ink

Description

Calamaio a inchiostro solido

Riferimenti esterni

Informazioni

Brevetto per un calamaio ad inchiostro solido che consente di preparare l'inchiostro aggiungendo acqua.

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current23:56, 17 December 2013Thumbnail for version as of 23:56, 17 December 20131,295 × 1,752, 5 pages (496 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Charles George Todd |Assignee=Harry C. Stephens Limited |Country=GB |ApplicationNum=29506/39 |ApplicationDate=1939-11-06 |PatentNum=533420 |PatentDate=1941-02-12 |PriorityDate=1939-11-06 |Titolo=A device for use in the preparatio...

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