AT89489B - Circuit arrangement for intermediate switch in telephone systems. - Google Patents

Circuit arrangement for intermediate switch in telephone systems.

Info

Publication number
AT89489B
AT89489B AT89489DA AT89489B AT 89489 B AT89489 B AT 89489B AT 89489D A AT89489D A AT 89489DA AT 89489 B AT89489 B AT 89489B
Authority
AT
Austria
Prior art keywords
circuit arrangement
telephone systems
intermediate switch
switch
telephone
Prior art date
Application number
Other languages
German (de)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT89489B publication Critical patent/AT89489B/en

Links

AT89489D 1919-06-11 1920-06-04 Circuit arrangement for intermediate switch in telephone systems. AT89489B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE89489X 1919-06-11

Publications (1)

Publication Number Publication Date
AT89489B true AT89489B (en) 1922-09-25

Family

ID=5642782

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89489D AT89489B (en) 1919-06-11 1920-06-04 Circuit arrangement for intermediate switch in telephone systems.

Country Status (2)

Country Link
AT (1) AT89489B (en)
CH (1) CH94328A (en)

Also Published As

Publication number Publication date
CH94328A (en) 1922-04-17

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