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 KR2019930005165UpriorityCriticalpatent/KR940023584U/en
Publication of KR940023584UpublicationCriticalpatent/KR940023584U/en