AT68533B - Circuit arrangement for telephone systems with semi-automatic operation. - Google Patents

Circuit arrangement for telephone systems with semi-automatic operation.

Info

Publication number
AT68533B
AT68533B AT68533DA AT68533B AT 68533 B AT68533 B AT 68533B AT 68533D A AT68533D A AT 68533DA AT 68533 B AT68533 B AT 68533B
Authority
AT
Austria
Prior art keywords
semi
circuit arrangement
automatic operation
telephone systems
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 AT68533B publication Critical patent/AT68533B/en

Links

AT68533D 1913-08-12 1913-08-12 Circuit arrangement for telephone systems with semi-automatic operation. AT68533B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT68533T 1913-08-12

Publications (1)

Publication Number Publication Date
AT68533B true AT68533B (en) 1915-04-26

Family

ID=3590437

Family Applications (1)

Application Number Title Priority Date Filing Date
AT68533D AT68533B (en) 1913-08-12 1913-08-12 Circuit arrangement for telephone systems with semi-automatic operation.

Country Status (1)

Country Link
AT (1) AT68533B (en)

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