DP

Dongdong Peng

CC Changzhou Huada Kejie Opto-Electro Instrument Co.: 1 patents #3 of 7Top 45%
Overall (All Time): #1,916,825 of 4,157,543Top 50%
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Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D894511 Dish drying rack — 2020-08-25
9952402 Adjusting mechanism and laser collimator having the same Ou Zhang 2018-04-24