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Priority to JP47112295ApriorityCriticalpatent/JPS5148456B2/ja
Priority to GB5143673Aprioritypatent/GB1440590A/en
Priority to DE19732355776prioritypatent/DE2355776A1/de
Publication of JPS4970864ApublicationCriticalpatent/JPS4970864A/ja
Publication of JPS5148456B2publicationCriticalpatent/JPS5148456B2/ja