Chenghao YANG

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Jinhua, CN

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Patents Applicationslast 30 patents

Information Patent Application
SCREW-CUTTING SHEAR
- Publication number 20240359243
- Publication date Oct 31, 2024
- ZHEJIANG PRULDE ELECTRIC APPLIANCE CO., LTD.
- Chenghao YANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
DRAIN CLEANING MACHINE
- Publication number 20240326105
- Publication date Oct 3, 2024
- ZHEJIANG PRULDE ELECTRIC APPLIANCE CO., LTD.
- Chenghao YANG
- B08 - CLEANING