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Demi-produits en métal...
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Demi-produits en cuivre, cuproalliages...
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Matériaux métalliques (aussi alliés); matériaux magnétiques...
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Conducteurs de chauffage et à fusibles, matière à résistance...
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Pièces métalliques en masse...
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Pâtes et liquides (conducteurs)...
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Pièces métalliques pour emplois spéciaux...
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Autres matières et demi-produits pour l'électrotechnique...
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