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Zhonggang Liu
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Weihai, Shandong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Cooling chuck
Patent number
11,117,198
Issue date
Sep 14, 2021
SHANDONG WEIDA MACHINERY CO., LTD.
Wenzhang Qiao
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Cooling Chuck
Publication number
20200215654
Publication date
Jul 9, 2020
SHANDONG WEIDA MACHINERY CO,, LTD.
Wenzhang Qiao
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR