AT91087B - Automatisches Telephonsystem mit Gebührenerhebung. - Google Patents

Automatisches Telephonsystem mit Gebührenerhebung.

Info

Publication number
AT91087B
AT91087B AT91087DA AT91087B AT 91087 B AT91087 B AT 91087B AT 91087D A AT91087D A AT 91087DA AT 91087 B AT91087 B AT 91087B
Authority
AT
Austria
Prior art keywords
charging
telephone system
automatic telephone
automatic
telephone
Prior art date
Application number
Other languages
English (en)
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 AT91087B publication Critical patent/AT91087B/de

Links

AT91087D 1920-09-25 1921-08-12 Automatisches Telephonsystem mit Gebührenerhebung. AT91087B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91087XA 1920-09-25 1920-09-25

Publications (1)

Publication Number Publication Date
AT91087B true AT91087B (de) 1923-01-25

Family

ID=21735621

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91087D AT91087B (de) 1920-09-25 1921-08-12 Automatisches Telephonsystem mit Gebührenerhebung.

Country Status (1)

Country Link
AT (1) AT91087B (de)

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