Hiroyasu Ito

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Tochigi, JP

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Patents Applicationslast 30 patents

Information Patent Application
Flux for refining steel of low nitrogen, low oxygen and low sulfur
- Publication number 20110167960
- Publication date Jul 14, 2011
- Yohizawa Lime Industry Co., Ltd.
- Shiro Ban-Ya
- C21 - METALLURGY OF IRON