Hitoshi Hotta

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Seawater-dissolved metal collecting system
- Patent number 4,911,835
- Issue date Mar 27, 1990
- Japan Marine Science & Technology Center
- Shinichi Ishii
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...