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 I-Angel Co., Ltd.filedCriticalI-Angel Co., Ltd.
Publication of HK1229185A1publicationCriticalpatent/HK1229185A1/zh
Publication of HK1229185BpublicationCriticalpatent/HK1229185B/zh