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Yan CHEN
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Hunan, CN
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last 30 patents
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Patent Grant
Graphitization furnace with rapid active cooling system
Patent number
11,796,254
Issue date
Oct 24, 2023
Hunan Youre Technology Co., LTD.
Yan Chen
F27 - FURNACES KILNS OVENS RETORTS
Patents Applications
last 30 patents
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Patent Application
SUSPENSION BUSHING AND SYSTEM FOR POWERTRAIN OF ELECTRICAL VEHICLE
Publication number
20230184307
Publication date
Jun 15, 2023
BOGE RUBBER & PLASTICS ZHUZHOU CO., LTD.
Yan CHEN
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...