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 Grand Advance CorpfiledCriticalGrand Advance Corp
Priority to TW88213464UpriorityCriticalpatent/TW418670U/en
Publication of TW418670UpublicationCriticalpatent/TW418670U/en