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Priority to JP11235676ApriorityCriticalpatent/JPS5336669A/ja
Priority to GB38655/77Aprioritypatent/GB1589543A/en
Publication of JPS5336669ApublicationCriticalpatent/JPS5336669A/ja
Priority to US06/006,202prioritypatent/US4202092A/en
Publication of JPS5515877B2publicationCriticalpatent/JPS5515877B2/ja