DK41424C - Telefoncentralsystem med Multipleopkaldssignaler. - Google Patents

Telefoncentralsystem med Multipleopkaldssignaler.

Info

Publication number
DK41424C
DK41424C DK41424DA DK41424C DK 41424 C DK41424 C DK 41424C DK 41424D A DK41424D A DK 41424DA DK 41424 C DK41424 C DK 41424C
Authority
DK
Denmark
Prior art keywords
exchange system
telephone exchange
call signals
multiple call
signals
Prior art date
Application number
Other languages
English (en)
Original Assignee
Indehavere Af En Elek Sk Forre
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 Indehavere Af En Elek Sk Forre filed Critical Indehavere Af En Elek Sk Forre
Application granted granted Critical
Publication of DK41424C publication Critical patent/DK41424C/da

Links

DK41424D 1928-03-27 1928-03-27 Telefoncentralsystem med Multipleopkaldssignaler. DK41424C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK41424T 1928-03-27

Publications (1)

Publication Number Publication Date
DK41424C true DK41424C (da) 1930-01-06

Family

ID=8130645

Family Applications (1)

Application Number Title Priority Date Filing Date
DK41424D DK41424C (da) 1928-03-27 1928-03-27 Telefoncentralsystem med Multipleopkaldssignaler.

Country Status (1)

Country Link
DK (1) DK41424C (da)

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