Masatoshi Maeda

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Oita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for pyrometallurgical smelting of copper
- Patent number 5,662,730
- Issue date Sep 2, 1997
- Nippon Mining & Metals Co., Ltd.
- Susumu Akagi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...