File:Patent-GB-225200.pdf
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Dettagli
Inventor |
Louis Badois |
---|---|
Assignee |
Louis Badois, La Plume d'Or |
Country |
GB |
Application N° |
26144/24 |
Application Date |
1924-11-03 |
Patent N° |
225200 |
Brevettato |
1925-07-23 |
Priorità |
1923-11-19 |
Brand | |
Title |
Improvements in the manufacture of pens |
Description |
Lega per pennini |
Riferimenti esterni
Informazioni
Brevetto per una lega di argento per la costruzione di pennini. Usato probabilmente per i pennini Plume Iridia. Priorità dal brevetto tedesco. Stessa invenzione di nº DE-440614. Stessa invenzione di nº FR-587602.
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