Tadamitu Nagayasu

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Niihama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for recovering zinc from substances containing a zinc compound
- Patent number 4,595,574
- Issue date Jun 17, 1986
- Sumitomo Heavy Industries, Ltd.
- Toshio Matsuoka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...