Guozhi Song

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Luoyang, Henan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Assembly method of inner ring threaded-connection component device...
- Patent number 10,816,021
- Issue date Oct 27, 2020
- Luoyang Haozhi Mechanical Co., Ltd.
- Guozhi Song
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Assembly Method of Inner Ring Threaded-Connection Component Device...
- Publication number 20200056641
- Publication date Feb 20, 2020
- Luoyang Haozhi Mechanical Co., Ltd.
- Guozhi Song
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...