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2021
Operating device of power-assisted wheelchair, power-assisted wheelchair and operating method thereof 電動輔助輪椅的操作裝置、電動輔助輪椅及操作其的方法
KO, W. Y. A., 11 Jun 2021, Patent Registry, Intellectual Property Department (HKSAR), Patent No. HK30037702, 3 Feb 2021, Priority date 3 Feb 2021
Research output: Patent, Agreements, Assignments › Patent
一種口罩
Translated title of the contribution: A MaskKO, W. Y. A., 28 May 2021, Patent Registry, Intellectual Property Department (HKSAR), Patent No. HK30036740, 22 Jan 2021, Priority date 22 Jan 2021
Research output: Patent, Agreements, Assignments › Patent

Research output