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 JP7986387UpriorityCriticalpatent/JPS63189733U/ja
Priority to US07/199,346prioritypatent/US4898417A/en
Priority to GB8812722Aprioritypatent/GB2205237B/en
Publication of JPS63189733UpublicationCriticalpatent/JPS63189733U/ja
