Anh
companion elements
impurities
Đức
Stahlbegleiter
Verunreinigungen
Pháp
impuretés
companion elements /INDUSTRY-METAL/
[DE] Stahlbegleiter
[EN] companion elements
[FR] impuretés
companion elements,impurities /INDUSTRY-METAL/
[DE] Stahlbegleiter; Verunreinigungen
[EN] companion elements; impurities