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 JP1987085310UpriorityCriticalpatent/JPS63193069U/ja
Publication of JPS63193069UpublicationCriticalpatent/JPS63193069U/ja
Priority to US07/563,943prioritypatent/US5085432A/en
Priority to US07/745,883prioritypatent/US5186456A/en