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 신영환, 민홍식filedCritical신영환
Priority to KR2019930027900UpriorityCriticalpatent/KR950019773U/ko
Publication of KR950019773UpublicationCriticalpatent/KR950019773U/ko