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Application filed by îNTREPRINDEREA DE RADIATOARE ECHIPAMENT METALICfiledCriticalîNTREPRINDEREA DE RADIATOARE ECHIPAMENT METALIC
Priority to RO123101ApriorityCriticalpatent/RO90979B1/ro
Publication of RO90979A2publicationCriticalpatent/RO90979A2/fr
Publication of RO90979B1publicationCriticalpatent/RO90979B1/ro
Circuit arrangement for centrally controlled telecommunication centre, preferably for pcm telephone exchange, comprising a central part and trunk groups connected to the said central part