Yawen Cui

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Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
S-shape detection test piece and a detection method for detecting t...
- Patent number 8,061,052
- Issue date Nov 22, 2011
- Chengdu Aircraft Industrial (Group) Co., Ltd.
- Zhiyong Song
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
S-SHAPE DETECTION TEST PIECE AND A DETECTION METHOD FOR DETECTING T...
- Publication number 20100004777
- Publication date Jan 7, 2010
- Chengdu Aircraft INdustrial (Group) Co., Ltd
- Zhiyong Song
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR