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{{PatentInfo |Inventor=Mabie, Todd & Company Limited |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=1116/30 |ApplicationDate=1930-01-11 |PatentNum=345712 |PatentDate=1931-04-02 |PriorityDate=1930-01-11 |Titolo=Improvements in prope...
{{PatentInfo
|Inventor=Mabie, Todd & Company Limited
|Assignee=Mabie, Todd & Company Limited
|Country=GB
|ApplicationNum=1116/30
|ApplicationDate=1930-01-11
|PatentNum=345712
|PatentDate=1931-04-02
|PriorityDate=1930-01-11
|Titolo=Improvements in propelling pencils
|Marca=Swan
|Descrizione=Matita meccanica
}}
==Informazioni==
Brevetto per una matita meccanica. {{SamePatent|CH|148515}}.