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 葉朗filedCritical葉朗
Priority to HK16107131.7ApriorityCriticalpatent/HK1218607A2/zh
Publication of HK1218607A2publicationCriticalpatent/HK1218607A2/zh