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 JP13268884UpriorityCriticalpatent/JPH0341348Y2/ja
Priority to US06/768,610prioritypatent/US4676453A/en
Publication of JPS6148480UpublicationCriticalpatent/JPS6148480U/ja
Application grantedgrantedCritical
Publication of JPH0341348Y2publicationCriticalpatent/JPH0341348Y2/ja
