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 Tsung-Heng TsaifiledCriticalTsung-Heng Tsai
Priority to TW92208474UpriorityCriticalpatent/TW576448U/en
Publication of TW576448UpublicationCriticalpatent/TW576448U/en