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Application filed by Ienno Alderico Dr DifiledCriticalIenno Alderico Dr Di
Priority to IT1166584UpriorityCriticalpatent/IT8411665V0/it
Publication of IT8411665V0publicationCriticalpatent/IT8411665V0/it
Procedimento e dispositivo per la protezione di equipaggiamenti elettrici contro l'incendio particoalrmente per elettrovalvole impiegate nell indutria petroliera