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Application filedfiledCritical
Priority to JP11361579UpriorityCriticalpatent/JPS6111509Y2/ja
Priority to US06/177,591prioritypatent/US4416594A/en
Priority to DE3030711Aprioritypatent/DE3030711C2/de
Publication of JPS5631673UpublicationCriticalpatent/JPS5631673U/ja
Application grantedgrantedCritical
Publication of JPS6111509Y2publicationCriticalpatent/JPS6111509Y2/ja