Shiyuan Gao

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Guangzhou City, CN

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Patents Applicationslast 30 patents

Information Patent Application
Pearl necklace automatic threading machine
- Publication number 20200179825
- Publication date Jun 11, 2020
- Shiyuan Gao
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Automatic wax tree planting device for jewelry making
- Publication number 20200180183
- Publication date Jun 11, 2020
- Shiyuan Gao
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...