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Priority to JP7797675UpriorityCriticalpatent/JPS5912798Y2/ja
Priority to DE19762625377prioritypatent/DE2625377C3/de
Publication of JPS51156803UpublicationCriticalpatent/JPS51156803U/ja
Application grantedgrantedCritical
Publication of JPS5912798Y2publicationCriticalpatent/JPS5912798Y2/ja