About Chen Chengyong
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MEASORP by Chen, Chengyong (Track this)
Intl: (011) Environmental control apparatus US: 013; 021; 023; 024; 031; 034 Filing date: 17-Nov-2021 Serial number: 97128915
EVIPEAR by Chen, Chengyong (Track this)
Intl: (024) Fabrics US: 042; 050 Filing date: 17-Nov-2021 Serial number: 97128874