Changqing Lv

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Motor vehicle panel blanking method and system
- Patent number 9,566,677
- Issue date Feb 14, 2017
- BAOSHAN IRON & STEEL CO., LTD.
- Ruimin Wu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
MOTOR VEHICLE PANEL BLANKING METHOD AND SYSTEM
- Publication number 20150020358
- Publication date Jan 22, 2015
- Baoshan Iron & Steel Co., Ltd
- Ruimin Wu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS