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Priority to JP1583876ApriorityCriticalpatent/JPS5299710A/ja
Priority to US05/769,784prioritypatent/US4118741A/en
Priority to CA272,030Aprioritypatent/CA1080346A/en
Publication of JPS5299710ApublicationCriticalpatent/JPS5299710A/ja
Publication of JPS5619792B2publicationCriticalpatent/JPS5619792B2/ja