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Priority to JP2662373ApriorityCriticalpatent/JPS5112734B2/ja
Priority to US05/400,207prioritypatent/US3963803A/en
Priority to GB4478973Aprioritypatent/GB1432709A/en
Publication of JPS49116327ApublicationCriticalpatent/JPS49116327A/ja
Publication of JPS5112734B2publicationCriticalpatent/JPS5112734B2/ja