IT1185749B -
DEVICE TO NEUTRALIZE THE USER'S VOICE TELEPHONE WITH THE TELEPHONE SPEAKER
- Google Patents
DEVICE TO NEUTRALIZE THE USER'S VOICE TELEPHONE WITH THE TELEPHONE SPEAKER
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Publication number
IT1185749B
IT1185749BIT19648/83AIT1964883AIT1185749BIT 1185749 BIT1185749 BIT 1185749BIT 19648/83 AIT19648/83 AIT 19648/83AIT 1964883 AIT1964883 AIT 1964883AIT 1185749 BIT1185749 BIT 1185749B
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Application filed by Alessandro FerrariofiledCriticalAlessandro Ferrario
Priority to IT19648/83ApriorityCriticalpatent/IT1185749B/en
Publication of IT8319648A0publicationCriticalpatent/IT8319648A0/en
Application grantedgrantedCritical
Publication of IT1185749BpublicationCriticalpatent/IT1185749B/en