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 香港生產力促進局 號filedCritical香港生產力促進局 號
Priority to HK14105427.6ApriorityCriticalpatent/HK1193534A2/en
Publication of HK1193534A2publicationCriticalpatent/HK1193534A2/en