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Application filed by Settimio Soprani & FiglifiledCriticalSettimio Soprani & Figli
Publication of CH253731ApublicationCriticalpatent/CH253731A/it
CH253731D1945-08-071946-07-13Dispositivo per il collegamento di una valvola di fisarmonica con l'asticciola del rispettivo tasto di comando.
CH253731A
(it)