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the mass of wire for electric resistenzea, its preparation, its use in a part subject to wear and tear riscaldabile.and also a process for the preparation of these parts subject to wear with the mass of wire for electric resistance
the mass of wire for electric resistenzea, its preparation, its use in a part subject to wear and tear riscaldabile.and also a process for the preparation of these parts subject to wear with the mass of wire for electric resistance