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Priority to JP12165070ApriorityCriticalpatent/JPS546917B1/ja
Priority to GB6028471Aprioritypatent/GB1369478A/en
Priority to DE2165375Aprioritypatent/DE2165375C3/de
Priority to FR7147367Aprioritypatent/FR2121098A5/fr
Priority to US00377024Aprioritypatent/US3805937A/en
Publication of JPS546917B1publicationCriticalpatent/JPS546917B1/ja