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 JP18440586UpriorityCriticalpatent/JPS6388879U/ja
Priority to US07/118,956prioritypatent/US4807971A/en
Publication of JPS6388879UpublicationCriticalpatent/JPS6388879U/ja
