DK50449C - Device for Providing Coupling Operations on an Automatic Telephone Exchange. - Google Patents

Device for Providing Coupling Operations on an Automatic Telephone Exchange.

Info

Publication number
DK50449C
DK50449C DK50449DA DK50449C DK 50449 C DK50449 C DK 50449C DK 50449D A DK50449D A DK 50449DA DK 50449 C DK50449 C DK 50449C
Authority
DK
Denmark
Prior art keywords
telephone exchange
automatic telephone
providing coupling
coupling operations
operations
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK50449C publication Critical patent/DK50449C/en

Links

DK50449D 1933-02-24 1934-02-14 Device for Providing Coupling Operations on an Automatic Telephone Exchange. DK50449C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE50449X 1933-02-24

Publications (1)

Publication Number Publication Date
DK50449C true DK50449C (en) 1935-07-22

Family

ID=20265583

Family Applications (1)

Application Number Title Priority Date Filing Date
DK50449D DK50449C (en) 1933-02-24 1934-02-14 Device for Providing Coupling Operations on an Automatic Telephone Exchange.

Country Status (1)

Country Link
DK (1) DK50449C (en)

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