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Priority to JP511172ApriorityCriticalpatent/JPS5130608B2/ja
Priority to ES410464Aprioritypatent/ES410464A1/es
Priority to CA160,833Aprioritypatent/CA993159A/en
Publication of JPS4873520ApublicationCriticalpatent/JPS4873520A/ja
Publication of JPS5130608B2publicationCriticalpatent/JPS5130608B2/ja