DK20428C - Device for Switching Devices for Providing Connection Between the Lines of a Telephone System. - Google Patents

Device for Switching Devices for Providing Connection Between the Lines of a Telephone System.

Info

Publication number
DK20428C
DK20428C DK20428DA DK20428C DK 20428 C DK20428 C DK 20428C DK 20428D A DK20428D A DK 20428DA DK 20428 C DK20428 C DK 20428C
Authority
DK
Denmark
Prior art keywords
lines
switching devices
telephone system
providing connection
providing
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Bell Telephone Mfg
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.)
Publication date
Application granted granted Critical
Publication of DK20428C publication Critical patent/DK20428C/en

Links

DK20428D 1911-09-26 Device for Switching Devices for Providing Connection Between the Lines of a Telephone System. DK20428C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20428X 1911-09-26

Publications (1)

Publication Number Publication Date
DK20428C true DK20428C (en) 1915-08-16

Family

ID=27839457

Family Applications (1)

Application Number Title Priority Date Filing Date
DK20428D DK20428C (en) 1911-09-26 Device for Switching Devices for Providing Connection Between the Lines of a Telephone System.

Country Status (1)

Country Link
DK (1) DK20428C (en)

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