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 Tzung-Bau YanfiledCriticalTzung-Bau Yan
Priority to TW91208096UpriorityCriticalpatent/TW569763U/en
Publication of TW569763UpublicationCriticalpatent/TW569763U/en