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Priority to JP6729571ApriorityCriticalpatent/JPS4832847A/ja
Priority to DE19712155561prioritypatent/DE2155561A1/de
Priority to GB5214671Aprioritypatent/GB1369625A/en
Priority to FR7140383Aprioritypatent/FR2114548A5/fr
Publication of JPS4832847ApublicationCriticalpatent/JPS4832847A/ja