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AT20934B - Device for counting the speaking time at telephone stations. - Google Patents

Device for counting the speaking time at telephone stations.

Info

Publication number
AT20934B
AT20934B AT20934DA AT20934B AT 20934 B AT20934 B AT 20934B AT 20934D A AT20934D A AT 20934DA AT 20934 B AT20934 B AT 20934B
Authority
AT
Austria
Prior art keywords
counting
telephone stations
speaking time
speaking
time
Prior art date
Application number
Other languages
German (de)
Inventor
Gustav Fuerst
Theodor Kragl
Original Assignee
Gustav Fuerst
Theodor Kragl
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
Priority claimed from DE1903151466D external-priority patent/DE151466C/de
Application filed by Gustav Fuerst, Theodor Kragl filed Critical Gustav Fuerst
Application granted granted Critical
Publication of AT20934B publication Critical patent/AT20934B/en

Links

AT20934D 1903-02-03 1904-01-25 Device for counting the speaking time at telephone stations. AT20934B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1903151466D DE151466C (en) 1903-02-03

Publications (1)

Publication Number Publication Date
AT20934B true AT20934B (en) 1905-08-10

Family

ID=5674489

Family Applications (1)

Application Number Title Priority Date Filing Date
AT20934D AT20934B (en) 1903-02-03 1904-01-25 Device for counting the speaking time at telephone stations.

Country Status (1)

Country Link
AT (1) AT20934B (en)

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