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 Li-Man ChenfiledCriticalLi-Man Chen
Priority to TW90208830UpriorityCriticalpatent/TW472537U/en
Publication of TW472537UpublicationCriticalpatent/TW472537U/en