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 Jau-Jeng Jiang, Ji-Shiung JiangfiledCriticalJau-Jeng Jiang
Priority to TW91214386UpriorityCriticalpatent/TW583928U/en
Publication of TW583928UpublicationCriticalpatent/TW583928U/en