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 立興楊氏實業(深圳)有限公司filedCritical立興楊氏實業(深圳)有限公司
Priority to HK18107312.6ApriorityCriticalpatent/HK1247973A1/zh
Publication of HK1247973A1publicationCriticalpatent/HK1247973A1/zh