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AT174089B - Circuit arrangement for telephone systems with sub-exchanges - Google Patents

Circuit arrangement for telephone systems with sub-exchanges

Info

Publication number
AT174089B
AT174089B AT174089DA AT174089B AT 174089 B AT174089 B AT 174089B AT 174089D A AT174089D A AT 174089DA AT 174089 B AT174089 B AT 174089B
Authority
AT
Austria
Prior art keywords
exchanges
sub
circuit arrangement
telephone systems
telephone
Prior art date
Application number
Other languages
German (de)
Inventor
Franz Balogh
Original Assignee
Schrack Elektrizitaets Ag E
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 Schrack Elektrizitaets Ag E filed Critical Schrack Elektrizitaets Ag E
Application granted granted Critical
Publication of AT174089B publication Critical patent/AT174089B/en

Links

AT174089D 1952-02-05 1952-02-05 Circuit arrangement for telephone systems with sub-exchanges AT174089B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT174089T 1952-02-05

Publications (1)

Publication Number Publication Date
AT174089B true AT174089B (en) 1953-02-25

Family

ID=3657670

Family Applications (1)

Application Number Title Priority Date Filing Date
AT174089D AT174089B (en) 1952-02-05 1952-02-05 Circuit arrangement for telephone systems with sub-exchanges

Country Status (1)

Country Link
AT (1) AT174089B (en)

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