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 JP14289286UpriorityCriticalpatent/JPS6349692U/ja
Priority to US07/005,981prioritypatent/US4992892A/en
Publication of JPS6349692UpublicationCriticalpatent/JPS6349692U/ja