IT958854B - Dispositivo per la segretezza della conversazione negli impianti citofo nici a posto esterno
- Google Patents
Dispositivo per la segretezza della conversazione negli impianti citofo nici a posto esterno
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Publication number
IT958854B
IT958854BIT6848872AIT6848872AIT958854BIT 958854 BIT958854 BIT 958854BIT 6848872 AIT6848872 AIT 6848872AIT 6848872 AIT6848872 AIT 6848872AIT 958854 BIT958854 BIT 958854B
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Application filed by Urmet SpafiledCriticalUrmet Spa
Priority to IT6848872ApriorityCriticalpatent/IT958854B/it
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Publication of IT958854BpublicationCriticalpatent/IT958854B/it