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 JP18692484UpriorityCriticalpatent/JPS61100888U/ja
Priority to US06/804,424prioritypatent/US4678256A/en
Publication of JPS61100888UpublicationCriticalpatent/JPS61100888U/ja