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 JP1987066427UpriorityCriticalpatent/JPH06908Y2/ja
Priority to KR1019880004189Aprioritypatent/KR900007848B1/ko
Publication of JPS63173023UpublicationCriticalpatent/JPS63173023U/ja
Application grantedgrantedCritical
Publication of JPH06908Y2publicationCriticalpatent/JPH06908Y2/ja