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last 30 patents
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Patent Grant
Infrared sensor and infrared gas detector
Patent number
11,187,653
Issue date
Nov 30, 2021
HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.
Xia Wan
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
SENSOR AND HEAT EXCHANGER
Publication number
20220120592
Publication date
Apr 21, 2022
HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.
XIA WAN
F28 - HEAT EXCHANGE IN GENERAL
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Patent Application
INFRARED SENSOR AND INFRARED GAS DETECTOR
Publication number
20210156795
Publication date
May 27, 2021
Hangzhou Sanhua Research Institute Co., Ltd.
Xia WAN
B60 - VEHICLES IN GENERAL