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Priority to JP47123073ApriorityCriticalpatent/JPS4981492A/ja
Priority to US05/421,960prioritypatent/US3948292A/en
Priority to FR7343748Aprioritypatent/FR2209663B1/fr
Priority to GB5692873Aprioritypatent/GB1450448A/en
Priority to DE2361222Aprioritypatent/DE2361222C3/de
Publication of JPS4981492ApublicationCriticalpatent/JPS4981492A/ja