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{{PatentInfo |Inventor=Robert Jasper Knowles |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=13296/31 |ApplicationDate=1931-05-05 |PatentNum=373756 |PatentDate=1932-06-02 |PriorityDate=1931-05-05 |Titolo=Improvements in or relating ...
{{PatentInfo
|Inventor=Robert Jasper Knowles
|Assignee=Mabie, Todd & Company Limited
|Country=GB
|ApplicationNum=13296/31
|ApplicationDate=1931-05-05
|PatentNum=373756
|PatentDate=1932-06-02
|PriorityDate=1931-05-05
|Titolo=Improvements in or relating to pouring devices for attachment to bottles and other containers
|Marca=Swan
|Descrizione=Boccetta di inchiostro
}}
==Informazioni==
Brevetto per una boccetta di inchiostro con appositi fori di sversamento. {{SamePatent|FR|734273}} {{SamePatent|CH|162422}}

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