Kanji Tsuruoka

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Kamakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for preheating the ends of upset steel pipes
- Patent number 4,477,708
- Issue date Oct 16, 1984
- Nippon Kokan Kabushiki Kaisha
- Shigeru Sano
- C21 - METALLURGY OF IRON