首页>
外国专利>
schaltungsanordnung for delivery of pulses, the statistical distribution of regular one by one, to a large number of ausgaengen occur especially for occupancy of the fernsprechvermittlungstechnik facilities
schaltungsanordnung for delivery of pulses, the statistical distribution of regular one by one, to a large number of ausgaengen occur especially for occupancy of the fernsprechvermittlungstechnik facilities