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Priority to JP1977028856UpriorityCriticalpatent/JPS53123935U/ja
Priority to US05/884,536prioritypatent/US4229085A/en
Priority to FR7806814Aprioritypatent/FR2383460B1/fr
Priority to GB9403/78Aprioritypatent/GB1603691A/en
Priority to GB38565/80Aprioritypatent/GB1603692A/en
Publication of JPS53123935UpublicationCriticalpatent/JPS53123935U/ja
Priority to US06/132,879prioritypatent/US4339183A/en