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Priority to JP2133772ApriorityCriticalpatent/JPS4896846A/ja
Priority to BE785718Aprioritypatent/BE785718A/xx
Priority to IT2735072Aprioritypatent/IT963305B/it
Priority to DE19722255091prioritypatent/DE2255091B2/de
Priority to CH1657672Aprioritypatent/CH569101A5/xx
Publication of JPS4896846ApublicationCriticalpatent/JPS4896846A/ja