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{{PatentInfo |Inventor=Arthur Gilbert |Assignee=The Mentmore Manufacturing Company Limited |Country=GB |ApplicationNum=30554/28 |ApplicationDate=1928-10-22 |PatentNum=321309 |PatentDate=1929-11-07 |PriorityDate=1928-10-22 |Titolo=Improvements in or in ...
{{PatentInfo
|Inventor=Arthur Gilbert
|Assignee=The Mentmore Manufacturing Company Limited
|Country=GB
|ApplicationNum=30554/28
|ApplicationDate=1928-10-22
|PatentNum=321309
|PatentDate=1929-11-07
|PriorityDate=1928-10-22
|Titolo=Improvements in or in connection with show or display cards
|Marca=Mentmore
|Descrizione=Espositore penne
}}
==Informazioni==
Brevetto per un espositore.
|Inventor=Arthur Gilbert
|Assignee=The Mentmore Manufacturing Company Limited
|Country=GB
|ApplicationNum=30554/28
|ApplicationDate=1928-10-22
|PatentNum=321309
|PatentDate=1929-11-07
|PriorityDate=1928-10-22
|Titolo=Improvements in or in connection with show or display cards
|Marca=Mentmore
|Descrizione=Espositore penne
}}
==Informazioni==
Brevetto per un espositore.