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Priority to JP11474672ApriorityCriticalpatent/JPS5417236B2/ja
Priority to US00320937Aprioritypatent/US3824952A/en
Priority to GB100873Aprioritypatent/GB1393313A/en
Priority to CA160,860Aprioritypatent/CA983701A/en
Publication of JPS49100778ApublicationCriticalpatent/JPS49100778A/ja
Publication of JPS5417236B2publicationCriticalpatent/JPS5417236B2/ja