DK47275C - Coupling device for automatic and semi-automatic Telephone systems. - Google Patents

Coupling device for automatic and semi-automatic Telephone systems.

Info

Publication number
DK47275C
DK47275C DK47275DA DK47275C DK 47275 C DK47275 C DK 47275C DK 47275D A DK47275D A DK 47275DA DK 47275 C DK47275 C DK 47275C
Authority
DK
Denmark
Prior art keywords
automatic
semi
coupling device
telephone systems
automatic telephone
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 DK47275C publication Critical patent/DK47275C/en

Links

DK47275D 1931-06-27 1932-06-16 Coupling device for automatic and semi-automatic Telephone systems. DK47275C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE47275X 1931-06-27

Publications (1)

Publication Number Publication Date
DK47275C true DK47275C (en) 1933-05-01

Family

ID=20264844

Family Applications (1)

Application Number Title Priority Date Filing Date
DK47275D DK47275C (en) 1931-06-27 1932-06-16 Coupling device for automatic and semi-automatic Telephone systems.

Country Status (1)

Country Link
DK (1) DK47275C (en)

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