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Priority to JP3796173ApriorityCriticalpatent/JPS562154B2/ja
Priority to GB1104874Aprioritypatent/GB1450270A/en
Priority to DE2411866Aprioritypatent/DE2411866A1/de
Priority to US05/450,514prioritypatent/US3992208A/en
Publication of JPS49123450ApublicationCriticalpatent/JPS49123450A/ja
Publication of JPS562154B2publicationCriticalpatent/JPS562154B2/ja