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Priority to JP2672573ApriorityCriticalpatent/JPS5316469B2/ja
Priority to GB968774Aprioritypatent/GB1447001A/en
Priority to FR7407816Aprioritypatent/FR2220717B1/fr
Priority to DE19742410989prioritypatent/DE2410989A1/de
Publication of JPS49113980ApublicationCriticalpatent/JPS49113980A/ja
Publication of JPS5316469B2publicationCriticalpatent/JPS5316469B2/ja