Beibei Chen

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Composite tungsten carbide insert with heterogeneous composition an...
- Patent number 9,765,573
- Issue date Sep 19, 2017
- Shanghai Gogoal Industry Co., Ltd.
- Dacheng Luo
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Composite Tungsten Carbide Insert With Heterogeneous Composition An...
- Publication number 20170014912
- Publication date Jan 19, 2017
- Shanghai Gogoal Industry Co., Ltd
- Dacheng Luo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Composite Tungsten Carbide Insert With Heterogeneous Composition An...
- Publication number 20160347669
- Publication date Dec 1, 2016
- Shanghai Gogoal Industry Co., Ltd
- Dacheng Luo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...