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Priority to JP13276381UpriorityCriticalpatent/JPS5839752U/ja
Priority to US06/408,413prioritypatent/US4554605A/en
Priority to DE19823231570prioritypatent/DE3231570A1/de
Publication of JPS5839752UpublicationCriticalpatent/JPS5839752U/ja
Application grantedgrantedCritical
Publication of JPH0227393Y2publicationCriticalpatent/JPH0227393Y2/ja