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Patents Grantslast 30 patents

Information Patent Grant
Portable multi-azimuth ultrasonic-assisted vibration rolling device...
- Patent number 11,041,224
- Issue date Jun 22, 2021
- Guofu Gao
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE MULTI-AZIMUTH ULTRASONIC-ASSISTED VIBRATION ROLLING DEVICE...
- Publication number 20210108281
- Publication date Apr 15, 2021
- Henan Polytechnic University
- Guofu GAO
- C21 - METALLURGY OF IRON