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 JP1986078081UpriorityCriticalpatent/JPS62190952U/ja
Priority to KR1019870005237Aprioritypatent/KR920004585B1/ko
Priority to US07/054,398prioritypatent/US4839757A/en
Publication of JPS62190952UpublicationCriticalpatent/JPS62190952U/ja