AT89310B - Telephone switching system. - Google Patents

Telephone switching system.

Info

Publication number
AT89310B
AT89310B AT89310DA AT89310B AT 89310 B AT89310 B AT 89310B AT 89310D A AT89310D A AT 89310DA AT 89310 B AT89310 B AT 89310B
Authority
AT
Austria
Prior art keywords
switching system
telephone switching
telephone
switching
Prior art date
Application number
Other languages
German (de)
Original Assignee
Western Electric Co Ltd
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 Western Electric Co Ltd filed Critical Western Electric Co Ltd
Application granted granted Critical
Publication of AT89310B publication Critical patent/AT89310B/en

Links

AT89310D 1920-07-13 1920-07-13 Telephone switching system. AT89310B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT89310T 1920-07-13

Publications (1)

Publication Number Publication Date
AT89310B true AT89310B (en) 1922-09-11

Family

ID=3609720

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89310D AT89310B (en) 1920-07-13 1920-07-13 Telephone switching system.

Country Status (1)

Country Link
AT (1) AT89310B (en)

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