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Priority to JP12093072ApriorityCriticalpatent/JPS5635865B2/ja
Priority to DE19737342772prioritypatent/DE7342772U/de
Priority to DE19732359871prioritypatent/DE2359871C3/de
Publication of JPS4979244ApublicationCriticalpatent/JPS4979244A/ja
Publication of JPS5635865B2publicationCriticalpatent/JPS5635865B2/ja