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 Shwuyun Cheng, Chin Tsai LinfiledCriticalShwuyun Cheng
Priority to BR6000196UpriorityCriticalpatent/BR6000196U/pt
Publication of BR6000196UpublicationCriticalpatent/BR6000196U/pt