IT1126202B - Metodo di fabbricazione di involucri a piu' strati particolarmente di tubi a piu' strati
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Metodo di fabbricazione di involucri a piu' strati particolarmente di tubi a piu' strati
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IT1126202B
IT1126202BIT2012977AIT2012977AIT1126202BIT 1126202 BIT1126202 BIT 1126202BIT 2012977 AIT2012977 AIT 2012977AIT 2012977 AIT2012977 AIT 2012977AIT 1126202 BIT1126202 BIT 1126202B
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Un procedimiento para la desoxidacion en caliente de la pared interna de tubos metalicos semiacabados para la fabricacion de tubos sin costura mediante trabajo en caliente subsecuetemente en un tren de laminacion de mandril largo