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Zongchang WANG
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Qingdao, Shandong, CN
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Patents Grants
last 30 patents
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Patent Grant
System and method for monitoring pressure inside railway vehicle
Patent number
11,541,920
Issue date
Jan 3, 2023
CRRC Qingdao Sifang Co., Ltd.
Zongchang Wang
B61 - RAILWAYS
Patents Applications
last 30 patents
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Patent Application
SYSTEM AND METHOD FOR MONITORING PRESSURE INSIDE RAILWAY VEHICLE
Publication number
20200339170
Publication date
Oct 29, 2020
CRRC QINGDAO SIFANG CO., LTD.
Zongchang WANG
B61 - RAILWAYS
Information
Patent Application
AIR CONDITIONING UNIT OF TRACK VEHICLE MOUNTED UNDER VEHICLE
Publication number
20170151961
Publication date
Jun 1, 2017
CRRC QINGDAO SIFANG CO., LTD.
Zongchang WANG
B61 - RAILWAYS