Xiujuan LIU

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Jinan, CN

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Patents Applicationslast 30 patents

Information Patent Application
ULTRASOUND ENHANCING METHOD FOR PROLONGING FATIGUE LIFE OF METAL WO...
- Publication number 20190024207
- Publication date Jan 24, 2019
- SHANDONG HUAWIN ELECTRICAL & MECHANICAL TECHNOLOGY CO., LTD
- Hui ZHAO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ULTRASONIC MACHINING METHOD FOR IMPROVING ABRADABILITY OF WHEEL OF...
- Publication number 20180318972
- Publication date Nov 8, 2018
- SHANDONG HUAWIN ELECTRICAL & MECHANICAL TECHNOLOGY CO.
- Xianhua ZHAO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR