Oțel siliciu / Oțel electric
Oțel siliciu / Oțel electric
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Normalizare Cr18Ni12Mo2Ti Silicio acier electric/Acier electric
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Durete Rockwell 2Crl3 Silicio acier electric/Acier electric
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Oțel siliciu / Oțel electric
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Durete Brinell Silicio acier electric/Acier electric
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Scara 4Cr13 Acciaiu silicio/Silicio acier electric
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Dezin carbonat Cr28 Oțel siliciat/Oțel electric