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Priority to JP9363170ApriorityCriticalpatent/JPS497821B1/ja
Priority to GB1642171Aprioritypatent/GB1356268A/en
Priority to FR7118376Aprioritypatent/FR2093559A5/fr
Priority to DE19712125244prioritypatent/DE2125244A1/de
Priority to SE7106739Aprioritypatent/SE393363B/xx
Publication of JPS497821B1publicationCriticalpatent/JPS497821B1/ja