BR8100027A -
PHONE CALL TRANSFER COUPLER WITH SOUND RETENTION AND WAITING CIRCUIT
- Google Patents
PHONE CALL TRANSFER COUPLER WITH SOUND RETENTION AND WAITING CIRCUIT
Info
Publication number
BR8100027A
BR8100027ABR8100027ABR8100027ABR8100027ABR 8100027 ABR8100027 ABR 8100027ABR 8100027 ABR8100027 ABR 8100027ABR 8100027 ABR8100027 ABR 8100027ABR 8100027 ABR8100027 ABR 8100027A
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Publication date
Application filed by Alberto Dias Da Silva JosefiledCriticalAlberto Dias Da Silva Jose
Priority to BR8100027ApriorityCriticalpatent/BR8100027A/en
Publication of BR8100027ApublicationCriticalpatent/BR8100027A/en