IT1134441B - Dispositivo correttore acustico ambientale ad azione fonoassorbente e fonoriflettente variabile gradualmente
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Dispositivo correttore acustico ambientale ad azione fonoassorbente e fonoriflettente variabile gradualmente
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Publication number
IT1134441B
IT1134441BIT26204/80AIT2620480AIT1134441BIT 1134441 BIT1134441 BIT 1134441BIT 26204/80 AIT26204/80 AIT 26204/80AIT 2620480 AIT2620480 AIT 2620480AIT 1134441 BIT1134441 BIT 1134441B
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Application filed by Pietro BechinifiledCriticalPietro Bechini
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Publication of IT1134441BpublicationCriticalpatent/IT1134441B/it