AT67960B - Telephone system with main and sub centers. - Google Patents

Telephone system with main and sub centers.

Info

Publication number
AT67960B
AT67960B AT67960DA AT67960B AT 67960 B AT67960 B AT 67960B AT 67960D A AT67960D A AT 67960DA AT 67960 B AT67960 B AT 67960B
Authority
AT
Austria
Prior art keywords
main
telephone system
centers
sub
sub centers
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 AT67960B publication Critical patent/AT67960B/en

Links

AT67960D 1912-09-11 1913-09-02 Telephone system with main and sub centers. AT67960B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE67960X 1912-09-11

Publications (1)

Publication Number Publication Date
AT67960B true AT67960B (en) 1915-02-10

Family

ID=5634185

Family Applications (1)

Application Number Title Priority Date Filing Date
AT67960D AT67960B (en) 1912-09-11 1913-09-02 Telephone system with main and sub centers.

Country Status (1)

Country Link
AT (1) AT67960B (en)

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