IT1098759B -
TRANSDUCER DEVICE FOR OMNIPHONIC MICROPHONE AND SPEAKER SYSTEM
- Google Patents
TRANSDUCER DEVICE FOR OMNIPHONIC MICROPHONE AND SPEAKER SYSTEM
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Publication number
IT1098759B
IT1098759BIT27104/78AIT2710478AIT1098759BIT 1098759 BIT1098759 BIT 1098759BIT 27104/78 AIT27104/78 AIT 27104/78AIT 2710478 AIT2710478 AIT 2710478AIT 1098759 BIT1098759 BIT 1098759B
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Application filed by Wehner RaymondfiledCriticalWehner Raymond
Priority to IT27104/78ApriorityCriticalpatent/IT1098759B/en
Publication of IT7827104A0publicationCriticalpatent/IT7827104A0/en
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Publication of IT1098759BpublicationCriticalpatent/IT1098759B/en