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Priority to JP15387880UpriorityCriticalpatent/JPS62691Y2/ja
Priority to DE19813142751prioritypatent/DE3142751A1/de
Publication of JPS5776634UpublicationCriticalpatent/JPS5776634U/ja
Application grantedgrantedCritical
Publication of JPS62691Y2publicationCriticalpatent/JPS62691Y2/ja