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- Google Patents
AU132877B2 - Improvements in carrier current multiplex telephone systems
- Google Patents
Improvements in carrier current multiplex telephone systems
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
AU15562/47A
Publication of AU132877B2publicationCriticalpatent/AU132877B2/en
Time division multiplex communication network* specially pcm time division multiplex communication terminal facility digital signal* specially pcm signal transmission control circuit