DK56190C - Coupling device for Telephone systems with Two-part lines. - Google Patents

Coupling device for Telephone systems with Two-part lines.

Info

Publication number
DK56190C
DK56190C DK56190DA DK56190C DK 56190 C DK56190 C DK 56190C DK 56190D A DK56190D A DK 56190DA DK 56190 C DK56190 C DK 56190C
Authority
DK
Denmark
Prior art keywords
coupling device
telephone systems
part lines
lines
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 DK56190C publication Critical patent/DK56190C/en

Links

DK56190D 1938-02-04 1938-02-04 Coupling device for Telephone systems with Two-part lines. DK56190C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK56190T 1938-02-04

Publications (1)

Publication Number Publication Date
DK56190C true DK56190C (en) 1939-05-22

Family

ID=8143980

Family Applications (1)

Application Number Title Priority Date Filing Date
DK56190D DK56190C (en) 1938-02-04 1938-02-04 Coupling device for Telephone systems with Two-part lines.

Country Status (1)

Country Link
DK (1) DK56190C (en)

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