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Application filedfiledCritical
Priority to JP15198780UpriorityCriticalpatent/JPS6343704Y2/ja
Priority to DE3129873Aprioritypatent/DE3129873C2/de
Priority to US06/305,197prioritypatent/US4395611A/en
Publication of JPS5773825UpublicationCriticalpatent/JPS5773825U/ja
Application grantedgrantedCritical
Publication of JPS6343704Y2publicationCriticalpatent/JPS6343704Y2/ja