CH430806A -
Circuit arrangement for telecommunication systems, in particular telephone systems, with multi-stage switching fields
- Google Patents
Circuit arrangement for telecommunication systems, in particular telephone systems, with multi-stage switching fields
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Publication number
CH430806A
CH430806ACH849765ACH849765ACH430806ACH 430806 ACH430806 ACH 430806ACH 849765 ACH849765 ACH 849765ACH 849765 ACH849765 ACH 849765ACH 430806 ACH430806 ACH 430806A
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Application filed by Siemens AgfiledCriticalSiemens Ag
Publication of CH430806ApublicationCriticalpatent/CH430806A/en
Circuit arrangement for wide-spanning switching fields marked over several switching stages in telecommunication systems, in particular telephone switching systems