About Chen Zhengxin
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IASUI by Chen Zhengxin (Track this)
Intl: (007) Machinery US: 013; 019; 021; 023; 024; 031; 034; 035 Filing date: 21-Aug-2024 Serial number: 98708983
ERIJL by CHEN, ZHENGXIN (Track this)
Intl: (011) Environmental control apparatus US: 013; 021; 023; 024; 031; 034 Filing date: 24-Nov-2020 Serial number: 90339086