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 Jiung-Jung WangfiledCriticalJiung-Jung Wang
Priority to TW91214679UpriorityCriticalpatent/TW553417U/en
Publication of TW553417UpublicationCriticalpatent/TW553417U/en