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Inventor
GONG WENTIAN
CN
2 patents
Patents
2 patents
US10655887B2
May 19, 2020
Ventilating device
PANASONIC ECO SYS GUANGDONG CO
2 citations
67
US10139103B2
Nov 27, 2018
Ceiling mounted airway device with illumination
PANASONIC ECO SYS GUANGDONG CO
0 citations
44