AT72189B - Circuit arrangement for telephone systems with automatic or semi-automatic operation. - Google Patents

Circuit arrangement for telephone systems with automatic or semi-automatic operation.

Info

Publication number
AT72189B
AT72189B AT72189DA AT72189B AT 72189 B AT72189 B AT 72189B AT 72189D A AT72189D A AT 72189DA AT 72189 B AT72189 B AT 72189B
Authority
AT
Austria
Prior art keywords
automatic
semi
circuit arrangement
telephone systems
automatic operation
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 AT72189B publication Critical patent/AT72189B/en

Links

AT72189D 1913-12-18 1914-12-18 Circuit arrangement for telephone systems with automatic or semi-automatic operation. AT72189B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE72189X 1913-12-18

Publications (1)

Publication Number Publication Date
AT72189B true AT72189B (en) 1916-07-25

Family

ID=5636035

Family Applications (1)

Application Number Title Priority Date Filing Date
AT72189D AT72189B (en) 1913-12-18 1914-12-18 Circuit arrangement for telephone systems with automatic or semi-automatic operation.

Country Status (1)

Country Link
AT (1) AT72189B (en)

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