AT75552B - 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
AT75552B
AT75552B AT75552DA AT75552B AT 75552 B AT75552 B AT 75552B AT 75552D A AT75552D A AT 75552DA AT 75552 B AT75552 B AT 75552B
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 AT75552B publication Critical patent/AT75552B/en

Links

AT75552D 1914-02-25 1915-02-19 Circuit arrangement for telephone systems with automatic or semi-automatic operation. AT75552B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE75552X 1914-02-25

Publications (1)

Publication Number Publication Date
AT75552B true AT75552B (en) 1919-02-25

Family

ID=5637148

Family Applications (1)

Application Number Title Priority Date Filing Date
AT75552D AT75552B (en) 1914-02-25 1915-02-19 Circuit arrangement for telephone systems with automatic or semi-automatic operation.

Country Status (1)

Country Link
AT (1) AT75552B (en)

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