BR9401168A -
Telephone device with self-secrecy and intercom
- Google Patents
Telephone device with self-secrecy and intercom
Info
Publication number
BR9401168A
BR9401168ABR9401168ABR9401168ABR9401168ABR 9401168 ABR9401168 ABR 9401168ABR 9401168 ABR9401168 ABR 9401168ABR 9401168 ABR9401168 ABR 9401168ABR 9401168 ABR9401168 ABR 9401168A
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Application filed by Wother Oscar Fernando DiasfiledCriticalWother Oscar Fernando Dias
Priority to BR9401168ApriorityCriticalpatent/BR9401168A/en
Publication of BR9401168ApublicationCriticalpatent/BR9401168A/en