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Priority to JP11271071UpriorityCriticalpatent/JPS5438702Y2/ja
Priority to GB5407572Aprioritypatent/GB1401351A/en
Priority to FR7242256Aprioritypatent/FR2163131A5/fr
Priority to DE19722258466prioritypatent/DE2258466A1/de
Priority to US310552Aprioritypatent/US3868044A/en
Publication of JPS4867471UpublicationCriticalpatent/JPS4867471U/ja
Application grantedgrantedCritical
Publication of JPS5438702Y2publicationCriticalpatent/JPS5438702Y2/ja