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Priority to JP48037157ApriorityCriticalpatent/JPS5116189B2/ja
Priority to GB4032873Aprioritypatent/GB1387779A/en
Priority to NL7312164Aprioritypatent/NL153100B/xx
Priority to FR7332186Aprioritypatent/FR2198891B1/fr
Priority to IT6967173Aprioritypatent/IT1004568B/it
Publication of JPS49123495ApublicationCriticalpatent/JPS49123495A/ja
Publication of JPS5116189B2publicationCriticalpatent/JPS5116189B2/ja