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 박효근, 황창길filedCritical박효근
Priority to KR2019950029748UpriorityCriticalpatent/KR970017781U/ko
Publication of KR970017781UpublicationCriticalpatent/KR970017781U/ko