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Lingjun WANG
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Qingdao, CN
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Patents Grants
last 30 patents
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Patent Grant
Follow-up mechanism and brake caliper unit for gauge-changeable bogie
Patent number
11,208,124
Issue date
Dec 28, 2021
CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD. (CN)
Zhen Wang
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
FOLLOW-UP MECHANISM AND BRAKE CALIPER UNIT FOR GAUGE-CHANGEABLE BOGIE
Publication number
20210331722
Publication date
Oct 28, 2021
CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
Zhen WANG
B60 - VEHICLES IN GENERAL