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 Chen Ji ShanfiledCriticalChen Ji Shan
Priority to TW88216386UpriorityCriticalpatent/TW409560U/en
Publication of TW409560UpublicationCriticalpatent/TW409560U/en