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Chi Keung Chan

RL Rht Limited: 1 patents #1 of 3Top 35%
Overall (2023): #493,567 of 537,848Top 95%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11648329 Air purifiers Ka Wai Jim, Lam Lung Yeung 2023-05-16