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Priority to JP10665580UpriorityCriticalpatent/JPS6228165Y2/ja
Priority to US06/194,073prioritypatent/US4384390A/en
Priority to DE19813110250prioritypatent/DE3110250C2/de
Publication of JPS5730008UpublicationCriticalpatent/JPS5730008U/ja
Application grantedgrantedCritical
Publication of JPS6228165Y2publicationCriticalpatent/JPS6228165Y2/ja