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Priority to JP48007635ApriorityCriticalpatent/JPS4996742A/ja
Priority to GB91474Aprioritypatent/GB1455171A/en
Priority to US433384Aprioritypatent/US3912359A/en
Priority to DE2401740Aprioritypatent/DE2401740C2/de
Publication of JPS4996742ApublicationCriticalpatent/JPS4996742A/ja