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Priority to JP1985002606UpriorityCriticalpatent/JPH0248463Y2/ja
Priority to US06/810,400prioritypatent/US4784191A/en
Priority to CH5483/85Dprioritypatent/CH669803A5/de
Priority to CN85109751Aprioritypatent/CN85109751A/zh
Publication of JPS61120785UpublicationCriticalpatent/JPS61120785U/ja
Application grantedgrantedCritical
Publication of JPH0248463Y2publicationCriticalpatent/JPH0248463Y2/ja