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Priority to JP7468673ApriorityCriticalpatent/JPS5024927A/ja
Priority to GB2399974Aprioritypatent/GB1456873A/en
Priority to DE2430138Aprioritypatent/DE2430138A1/de
Priority to US484239Aprioritypatent/US3917295A/en
Publication of JPS5024927ApublicationCriticalpatent/JPS5024927A/ja