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Application filed by Crespi GiovannifiledCriticalCrespi Giovanni
Priority to IT8519121ApriorityCriticalpatent/IT8519121A0/it
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IT8519121A1985-01-161985-01-16Rivestimento refrattario in blocchi preformati per forni d'acciaieria tipo 1d (a soffiaggio di ossigeno dall'alto).
IT8519121A0
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