C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
53/28
C21B 13/00 (2006.01)
Patent
CA 949752
Kanbara Shigeo
Matsubara Kenji
Ohno Yohtaro
Tajima Osamu
Kunii Daizo
Nippon Kokan Kabushiki Kaisha
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