BR8803257A - Intercomunicacao para extensao telefonica
- Google Patents
Intercomunicacao para extensao telefonica
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Publication number
BR8803257A
BR8803257ABR8803257ABR8803257ABR8803257ABR 8803257 ABR8803257 ABR 8803257ABR 8803257 ABR8803257 ABR 8803257ABR 8803257 ABR8803257 ABR 8803257ABR 8803257 ABR8803257 ABR 8803257A
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Application filed by Erivaldo Montarroyos RodriguesfiledCriticalErivaldo Montarroyos Rodrigues
Priority to BR8803257ApriorityCriticalpatent/BR8803257A/pt
Publication of BR8803257ApublicationCriticalpatent/BR8803257A/pt