97211157
Jan 10, 2022
Feb 14, 2023
SHENZHEN GELVSHI ELECTRONICS CO. LTD.
Active Trademark
Air analysis apparatus; Air quality measurement apparatus, namely, particle counters; Atmospheric oxygen monitors; Carbon dioxide detectors; Carbon monoxide detectors; Dust measuring apparatus; Flue gas analyzers; Gas testing instruments; Temperature indicators; Temperature sensors
Electrical and Scientific Apparatus