Chung Hyung-Sik

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Changwon-Si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing vanadium carbide powder added tool steel p...
- Patent number 5,561,832
- Issue date Oct 1, 1996
- Korea Institute of Machinery & Metals
- Chung Hyung-Sik
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...