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{{PatentInfo |Inventor=Ryujiro Uchida |Assignee=Pairotto Man-Nen-Hitsu Kabushiki Kaisha |Country=GB |ApplicationNum=29413/60 |ApplicationDate=1960-08-25 |PatentNum=896958 |PatentDate=1962-05-23 |PriorityDate=1960-08-25 |Titolo=Improvements in or relati...