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Priority to JP48137683ApriorityCriticalpatent/JPS5223796B2/ja
Priority to US05/531,309prioritypatent/US3976745A/en
Priority to CA215,718Aprioritypatent/CA1032734A/en
Priority to GB53666/74Aprioritypatent/GB1495397A/en
Publication of JPS5089287ApublicationCriticalpatent/JPS5089287A/ja
Publication of JPS5223796B2publicationCriticalpatent/JPS5223796B2/ja