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Filing date
Publication date
Application filed by Siemens AgfiledCriticalSiemens Ag
Priority to AT21668ApriorityCriticalpatent/AT286370B/de
Priority to DE19681801645prioritypatent/DE1801645B1/de
Priority to YU307868Aprioritypatent/YU31562B/xx
Application grantedgrantedCritical
Publication of AT286370BpublicationCriticalpatent/AT286370B/de
H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Interface Circuits In Exchanges
(AREA)
AT21668A1968-01-091968-01-09Schaltungsanordnung für Fernsprechanlagen mit ankommendem und abgehendem Verbindungsverkehr sowie mit Durchgangsverkehr
AT286370B
(de)