Qinghua University

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing an air-hardenable bainite-martensite steel
- Patent number 5,123,970
- Issue date Jun 23, 1992
- Qinghua University
- Hongsheng Fang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Air-cooling duplex bainite-martensite steels
- Patent number 4,957,702
- Issue date Sep 18, 1990
- Qinghua University
- Hongsheng Fang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fluidized bed boiler and high temperature separators used therein
- Patent number 4,712,514
- Issue date Dec 15, 1987
- Qinghua University
- Zhang Xu-Yi
- F22 - STEAM GENERATION

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