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Shandong, CN
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Patents Grants
last 30 patents
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Patent Grant
Phase-change energy storage air duct and automobile air conditionin...
Patent number
11,230,158
Issue date
Jan 25, 2022
CRRC Qingdao Sifang Co., Ltd.
Shaoqing Liu
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
PHASE-CHANGE ENERGY STORAGE AIR DUCT AND AUTOMOBILE AIR CONDITIONIN...
Publication number
20190217680
Publication date
Jul 18, 2019
CRRC QINGDAO SIFANG CO., LTD.
Shaoqing LIU
B60 - VEHICLES IN GENERAL