CH425906A - Dispositif d'observation pour installation de commutation
- Google Patents
Dispositif d'observation pour installation de commutation
Info
Publication number
CH425906A
CH425906ACH505364ACH505364ACH425906ACH 425906 ACH425906 ACH 425906ACH 505364 ACH505364 ACH 505364ACH 505364 ACH505364 ACH 505364ACH 425906 ACH425906 ACH 425906A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone & Radio SafiledCriticalStandard Telephone & Radio Sa
Publication of CH425906ApublicationCriticalpatent/CH425906A/fr