Hiromasa Yakushiji

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Hachinohe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for recovering rare earth metal from oxide ore by concentra...
- Patent number 5,756,056
- Issue date May 26, 1998
- Pacific Metals Co., Ltd.
- Akira Kimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...