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Wuhan, Hubei, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Onsite steel rail laser processing engineering vehicle
Patent number
10,808,364
Issue date
Oct 20, 2020
WUHAN NRD LASER ENGINEERING CO., LTD.
Xiaoyan Zeng
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR REINFORCING RAIL BY LASER AND AUXILIARY HEAT SOURCE EFFI...
Publication number
20200199698
Publication date
Jun 25, 2020
Wuhan Hivalue Intelaser Ltd.
Xiaoyan ZENG
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ONSITE STEEL RAIL LASER PROCESSING ENGINEERING VEHICLE
Publication number
20190161918
Publication date
May 30, 2019
WUHAN NRD LASER ENGINEERING CO., LTD.
Xiaoyan ZENG
B60 - VEHICLES IN GENERAL