一種口罩

Research output

Research output per year 2021 2021 2021

• 1 Other outputs
• 1 Patent

Research output per year

Research output per year

Search results

• 2021

  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