C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
53/95
C22C 38/60 (2006.01) B22D 11/11 (2006.01) C21C 7/00 (2006.01)
Patent
CA 929750
Kawawa Takaho
Miyashita Yoshio
Ohkubo Masuta
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