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Priority to JP14483178UpriorityCriticalpatent/JPS598330Y2/ja
Priority to DE19792935109prioritypatent/DE2935109A1/de
Priority to US06/071,198prioritypatent/US4274136A/en
Priority to GB7930270Aprioritypatent/GB2031230B/en
Publication of JPS5563122UpublicationCriticalpatent/JPS5563122U/ja
Application grantedgrantedCritical
Publication of JPS598330Y2publicationCriticalpatent/JPS598330Y2/ja