AT89433B - Automatic or semi-automatic telephone system with call registration. - Google Patents

Automatic or semi-automatic telephone system with call registration.

Info

Publication number
AT89433B
AT89433B AT89433DA AT89433B AT 89433 B AT89433 B AT 89433B AT 89433D A AT89433D A AT 89433DA AT 89433 B AT89433 B AT 89433B
Authority
AT
Austria
Prior art keywords
automatic
semi
telephone system
call registration
automatic telephone
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 AT89433B publication Critical patent/AT89433B/en

Links

AT89433D 1917-08-30 1917-08-30 Automatic or semi-automatic telephone system with call registration. AT89433B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT89433T 1917-08-30

Publications (1)

Publication Number Publication Date
AT89433B true AT89433B (en) 1922-09-25

Family

ID=3609817

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89433D AT89433B (en) 1917-08-30 1917-08-30 Automatic or semi-automatic telephone system with call registration.

Country Status (1)

Country Link
AT (1) AT89433B (en)

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