Qirong LU

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Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Self-locking drill chuck
- Patent number 10,252,347
- Issue date Apr 9, 2019
- ZHEJIANG SANOU MACHINERY CO. LTD.
- Wenhua Zhou
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SELF-LOCKING DRILL CHUCK
- Publication number 20170334000
- Publication date Nov 23, 2017
- ZHEJIANG SANOU MACHINERY CO. LTD.
- Wenhua ZHOU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR