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 Yung-Lung HungfiledCriticalYung-Lung Hung
Priority to TW91211137UpriorityCriticalpatent/TW540771U/en
Publication of TW540771UpublicationCriticalpatent/TW540771U/en