Chunming ZHANG

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SUZHOU, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tapping shank capable of ensuring safety of screw tap
- Patent number 10,940,539
- Issue date Mar 9, 2021
- Chunming Zhang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
TAPPING SHANK CAPABLE OF ENSURING SAFETY OF SCREW TAP
- Publication number 20200038980
- Publication date Feb 6, 2020
- SUZHOU JIAJIAYOU MACHINERY MANUFACTURING CO., LTD.
- Chunming ZHANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR