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 김상근, 이근택filedCritical김상근
Priority to KR2019960015337UpriorityCriticalpatent/KR980002664U/en
Publication of KR980002664UpublicationCriticalpatent/KR980002664U/en