Anh
Bessemer steel
acid Bessemer steel
acid steel
Đức
Bessemerstahl
Pháp
acier Bessemer
acier acide
acier Bessemer /INDUSTRY-METAL/
[DE] Bessemerstahl
[EN] Bessemer steel; acid Bessemer steel
[FR] acier Bessemer
acier Bessemer,acier acide /INDUSTRY-METAL/
[EN] acid steel
[FR] acier Bessemer; acier acide