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Priority to JP13960473ApriorityCriticalpatent/JPS5090653A/ja
Priority to GB3756874Aprioritypatent/GB1475749A/en
Priority to DE2441742Aprioritypatent/DE2441742C3/de
Priority to FR7429701Aprioritypatent/FR2242433B1/fr
Publication of JPS5090653ApublicationCriticalpatent/JPS5090653A/ja
Priority to US05/780,121prioritypatent/US4132750A/en