Toshifumi Kitagawa

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Kawaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of tungsten compounds
- Patent number 4,629,606
- Issue date Dec 16, 1986
- Daicel Chemical Industries, Ltd.
- Yoshiyuki Imagire
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...