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Application grantedgrantedCritical
Publication of AT299320BpublicationCriticalpatent/AT299320B/en
H04M7/00—Arrangements for interconnection between switching centres
H04M7/0096—Trunk circuits
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Engineering & Computer Science
(AREA)
Signal Processing
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Interface Circuits In Exchanges
(AREA)
Telephonic Communication Services
(AREA)
AT386769A1968-04-261969-04-22
Circuit arrangement for the transmission of dialing characters in telecommunications, in particular telephone systems
AT299320B
(en)
Circuit arrangement for the reception of different characters transmitted in uninterrupted sequence in telecommunications, in particular telephone systems
Circuit arrangement for telecommunications systems, in particular telephone extension systems, with special subscriber intercoms with display of the dialed number