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 Yang Wen TangfiledCriticalYang Wen Tang
Priority to TW88205095UpriorityCriticalpatent/TW399792U/zh
Publication of TW399792UpublicationCriticalpatent/TW399792U/zh