Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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
