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 Yau-De YangfiledCriticalYau-De Yang
Priority to TW90224447UpriorityCriticalpatent/TW501623U/en
Publication of TW501623UpublicationCriticalpatent/TW501623U/en