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 Ku Hui KukfiledCriticalKu Hui Kuk
Priority to KR858500229UpriorityCriticalpatent/KR870000559Y1/en
Application grantedgrantedCritical
Publication of KR870000559Y1publicationCriticalpatent/KR870000559Y1/en