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Priority to JP6193972ApriorityCriticalpatent/JPS4922412A/ja
Priority to GB2453973Aprioritypatent/GB1419342A/en
Priority to DE19732326587prioritypatent/DE2326587B2/de
Priority to NL7307433Aprioritypatent/NL7307433A/xx
Priority to FR7319428Aprioritypatent/FR2186438B1/fr
Priority to BE131658Aprioritypatent/BE800199A/xx
Publication of JPS4922412ApublicationCriticalpatent/JPS4922412A/ja