DK7840C - Control device for Telephone exchanges, where connection is provided by separate plug contacts. - Google Patents

Control device for Telephone exchanges, where connection is provided by separate plug contacts.

Info

Publication number
DK7840C
DK7840C DK7840DA DK7840C DK 7840 C DK7840 C DK 7840C DK 7840D A DK7840D A DK 7840DA DK 7840 C DK7840 C DK 7840C
Authority
DK
Denmark
Prior art keywords
control device
connection
plug contacts
telephone exchanges
separate plug
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Telephonwerke R Stock & Co G M
Publication date
Application granted granted Critical
Publication of DK7840C publication Critical patent/DK7840C/en

Links

DK7840D Control device for Telephone exchanges, where connection is provided by separate plug contacts. DK7840C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK7840T

Publications (1)

Publication Number Publication Date
DK7840C true DK7840C (en) 1905-09-18

Family

ID=27824045

Family Applications (1)

Application Number Title Priority Date Filing Date
DK7840D DK7840C (en) Control device for Telephone exchanges, where connection is provided by separate plug contacts.

Country Status (1)

Country Link
DK (1) DK7840C (en)

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