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DK7880C - Apparatus for automatically counting the number of connections made on a telephone line. - Google Patents

Apparatus for automatically counting the number of connections made on a telephone line.

Info

Publication number
DK7880C
DK7880C DK7880DA DK7880C DK 7880 C DK7880 C DK 7880C DK 7880D A DK7880D A DK 7880DA DK 7880 C DK7880 C DK 7880C
Authority
DK
Denmark
Prior art keywords
telephone line
connections made
automatically counting
counting
automatically
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Telefon Aktieselskab
Publication date
Application granted granted Critical
Publication of DK7880C publication Critical patent/DK7880C/en

Links

DK7880D Apparatus for automatically counting the number of connections made on a telephone line. DK7880C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK7880T

Publications (1)

Publication Number Publication Date
DK7880C true DK7880C (en) 1905-10-09

Family

ID=27824083

Family Applications (1)

Application Number Title Priority Date Filing Date
DK7880D DK7880C (en) Apparatus for automatically counting the number of connections made on a telephone line.

Country Status (1)

Country Link
DK (1) DK7880C (en)

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