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 Zong-Han HefiledCriticalZong-Han He
Priority to TW91217093UpriorityCriticalpatent/TW571691U/en
Publication of TW571691UpublicationCriticalpatent/TW571691U/en