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 JP6316884UpriorityCriticalpatent/JPS60173205U/ja
Publication of JPS60173205UpublicationCriticalpatent/JPS60173205U/ja
Priority to US07/077,990prioritypatent/US4771797A/en
Application grantedgrantedCritical
Publication of JPH0341601Y2publicationCriticalpatent/JPH0341601Y2/ja