BR9402381A -
Equipment for supplementary services in analog exchanges
- Google Patents
Equipment for supplementary services in analog exchanges
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Publication number
BR9402381A
BR9402381ABR9402381ABR9402381ABR9402381ABR 9402381 ABR9402381 ABR 9402381ABR 9402381 ABR9402381 ABR 9402381ABR 9402381 ABR9402381 ABR 9402381ABR 9402381 ABR9402381 ABR 9402381A
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Publication date
Application filed by Nelio Jose NicolaifiledCriticalNelio Jose Nicolai
Priority to BR9402381ApriorityCriticalpatent/BR9402381A/en
Publication of BR9402381ApublicationCriticalpatent/BR9402381A/en