AT199711B -
Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with keypad selection
- Google Patents
Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with keypad selection
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Publication number
AT199711B
AT199711BAT199711DAAT199711BAT 199711 BAT199711 BAT 199711BAT 199711D AAT199711D AAT 199711DAAT 199711 BAT199711 BAT 199711B
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Application filed by Siemens AgfiledCriticalSiemens Ag
Application grantedgrantedCritical
Publication of AT199711BpublicationCriticalpatent/AT199711B/en
AT199711D1956-09-281957-05-20
Circuit arrangement for subscriber stations in telecommunication systems, in particular telephone systems, with keypad selection
AT199711B
(en)