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 ChenfiledCriticalShu-Jen Chen
Priority to TW89210153UpriorityCriticalpatent/TW492284U/en
Publication of TW492284UpublicationCriticalpatent/TW492284U/en