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 You-Ren Chen, Ling-Feng ChenfiledCriticalYou-Ren Chen
Priority to TW103207135UpriorityCriticalpatent/TWM489511U/en
Publication of TWM489511UpublicationCriticalpatent/TWM489511U/en