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Application filed by Mitsui Mining & Smelting CofiledCriticalMitsui Mining & Smelting Co
Priority to IT20124/82ApriorityCriticalpatent/IT1150284B/it
Publication of IT8220124A0publicationCriticalpatent/IT8220124A0/it
Application grantedgrantedCritical
Publication of IT1150284BpublicationCriticalpatent/IT1150284B/it
Scambiatore di calore ricuperatore utile per riscaldare separatamente due correnti parallele di un fluido che assorbe calore per mezzo di un fluido che cede calore