Fan; Chaolai

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Jilin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Quickly movable elastically engaging screw-and-nut mechanism
- Patent number 5,970,812
- Issue date Oct 26, 1999
- Fan; Chaolai
- Chaolai Fan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR