Hiroyuki Aoki

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Concentric multi-tube-system nozzle situated beneath the surface of...
- Patent number 4,434,976
- Issue date Mar 6, 1984
- Nippon Steel Corporation
- Shozo Murakami
- C21 - METALLURGY OF IRON