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 JP786587UpriorityCriticalpatent/JPS63115876U/ja
Priority to US07/144,974prioritypatent/US4881612A/en
Publication of JPS63115876UpublicationCriticalpatent/JPS63115876U/ja
