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 JP13376987UpriorityCriticalpatent/JPS6438774U/ja
Priority to US07/230,232prioritypatent/US4865244A/en
Publication of JPS6438774UpublicationCriticalpatent/JPS6438774U/ja
