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Priority to JP2222773ApriorityCriticalpatent/JPS567906B2/ja
Priority to DE19742408825prioritypatent/DE2408825A1/de
Priority to CA193,368Aprioritypatent/CA1007080A/en
Priority to US05/445,333prioritypatent/US3950081A/en
Publication of JPS49111340ApublicationCriticalpatent/JPS49111340A/ja
Publication of JPS567906B2publicationCriticalpatent/JPS567906B2/ja