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{{PatentInfo |Inventor=Aladdin Industries Limited |Assignee=Aladdin Industries Limited |Country=DE |ApplicationNum=B115424 |ApplicationDate=1924-08-29 |PatentNum=432836 |PatentDate=1926-08-18 |PriorityDate=1923-12-06 |Titolo=Wechselschreibstift |Marca=...
{{PatentInfo
|Inventor=Aladdin Industries Limited
|Assignee=Aladdin Industries Limited
|Country=DE
|ApplicationNum=B115424
|ApplicationDate=1924-08-29
|PatentNum=432836
|PatentDate=1926-08-18
|PriorityDate=1923-12-06
|Titolo=Wechselschreibstift
|Marca=Aladdin Industries
|Descrizione=Matita meccanica multipla
}}
==Informazioni==
Brevetto per una matita meccanica multipla. Priorità da un brevetto austriaco. {{SamePatent|GB|236475}} {{SamePatent|DE|448931}} {{SamePatent|FR|605510}} {{SamePatent|NL|19802}} {{SamePatent|US|1567910}}

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