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 filed by Yun Young LeefiledCriticalYun Young Lee
Priority to KR7600651UpriorityCriticalpatent/KR780000280Y1/en
Application grantedgrantedCritical
Publication of KR780000280Y1publicationCriticalpatent/KR780000280Y1/en