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Priority to JP10562371ApriorityCriticalpatent/JPS5031486B2/ja
Priority to DE19722263804prioritypatent/DE2263804C3/de
Publication of JPS4873203ApublicationCriticalpatent/JPS4873203A/ja
Publication of JPS5031486B2publicationCriticalpatent/JPS5031486B2/ja