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 JP12594881UpriorityCriticalpatent/JPS5832781U/ja
Publication of JPS5832781UpublicationCriticalpatent/JPS5832781U/ja
Priority to US06/782,146prioritypatent/US4598657A/en
Application grantedgrantedCritical
Publication of JPS6117738Y2publicationCriticalpatent/JPS6117738Y2/ja