CH409004A -
Circuit arrangement, in particular for telephone systems, for converting input information
- Google Patents
Circuit arrangement, in particular for telephone systems, for converting input information
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Publication number
CH409004A
CH409004ACH1360162ACH1360162ACH409004ACH 409004 ACH409004 ACH 409004ACH 1360162 ACH1360162 ACH 1360162ACH 1360162 ACH1360162 ACH 1360162ACH 409004 ACH409004 ACH 409004A
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Application filed by Siemens AgfiledCriticalSiemens Ag
Publication of CH409004ApublicationCriticalpatent/CH409004A/en