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Application filed by Siemens AgfiledCriticalSiemens Ag
Priority claimed from EP88908664Aexternal-prioritypatent/EP0437422B1/en
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Publication of ATE97530T1publicationCriticalpatent/ATE97530T1/en
AT88908664T1988-09-301988-09-30
COMMUNICATION SYSTEM FOR FORMING VIRTUAL CIRCULAR NETWORKS IN A TIME-DIVISION PACKET SWITCHING NETWORK.
ATE97530T1
(en)
Method for operating clock-controlled time-division multiplex telecommunication switching systems, in particular PCM telephone switching systems, with a central switching network and connected sub-switching networks.