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 Jr-Cheng RuanfiledCriticalJr-Cheng Ruan
Priority to TW88206509UpriorityCriticalpatent/TW502739U/zh
Publication of TW502739UpublicationCriticalpatent/TW502739U/zh