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Priority to JP4416273ApriorityCriticalpatent/JPS536743B2/ja
Priority to DE19732358498prioritypatent/DE2358498C2/de
Priority to GB5599473Aprioritypatent/GB1450788A/en
Publication of JPS49129094ApublicationCriticalpatent/JPS49129094A/ja
Publication of JPS536743B2publicationCriticalpatent/JPS536743B2/ja