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 Hung-Lin LiaufiledCriticalHung-Lin Liau
Priority to TW89207185UpriorityCriticalpatent/TW493771U/en
Publication of TW493771UpublicationCriticalpatent/TW493771U/en