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HONGFUJIN PRECISION ELECTRONICS (CHENGDU) Co., Ltd.
2 patents in portfolio
US12227864
utility
2025
Additive Compound for Uniform Dyeing After Anodic Oxidation, Additive Solution Having the Additive Compound, and Dyeing Method
0 cites
US11556107
utility
2023
Machining Apparatus Error Correction System and Method Using Safe, Correction and Alarm Intervals
0 cites