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Application filed by Pietro MarcandallifiledCriticalPietro Marcandalli
Priority to IT8920459ApriorityCriticalpatent/IT1229705B/en
Publication of IT8920459A0publicationCriticalpatent/IT8920459A0/en
Application grantedgrantedCritical
Publication of IT1229705BpublicationCriticalpatent/IT1229705B/en