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 Shu-Jen He, Jia-Ming HefiledCriticalShu-Jen He
Priority to TW91219795UpriorityCriticalpatent/TW573539U/en
Publication of TW573539UpublicationCriticalpatent/TW573539U/en