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Priority to JP8990671ApriorityCriticalpatent/JPS4855225A/ja
Priority to GB5916071Aprioritypatent/GB1370818A/en
Priority to DE19712163543prioritypatent/DE2163543C3/de
Priority to FR7146537Aprioritypatent/FR2119728A5/fr
Publication of JPS4855225ApublicationCriticalpatent/JPS4855225A/ja