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 JP5151387UpriorityCriticalpatent/JPS63157734U/ja
Priority to US07/175,392prioritypatent/US4998131A/en
Publication of JPS63157734UpublicationCriticalpatent/JPS63157734U/ja
