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Priority to JP47019912ApriorityCriticalpatent/JPS5246493B2/ja
Priority to US00318962Aprioritypatent/US3844379A/en
Priority to GB5982172Aprioritypatent/GB1420085A/en
Publication of JPS4889715ApublicationCriticalpatent/JPS4889715A/ja
Publication of JPS5246493B2publicationCriticalpatent/JPS5246493B2/ja