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 김용창filedCritical김용창
Priority to KR2019960012304UpriorityCriticalpatent/KR200144908Y1/ko
Publication of KR970060736UpublicationCriticalpatent/KR970060736U/ko
Application grantedgrantedCritical
Publication of KR200144908Y1publicationCriticalpatent/KR200144908Y1/ko