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 이명관, 조민현, 한상덕, 윤호식filedCritical이명관
Priority to KR2019930013373UpriorityCriticalpatent/KR950004557U/en
Publication of KR950004557UpublicationCriticalpatent/KR950004557U/en