DK18500C - Telephone relay. - Google Patents

Telephone relay.

Info

Publication number
DK18500C
DK18500C DK18500DA DK18500C DK 18500 C DK18500 C DK 18500C DK 18500D A DK18500D A DK 18500DA DK 18500 C DK18500 C DK 18500C
Authority
DK
Denmark
Prior art keywords
telephone relay
relay
telephone
Prior art date
Application number
Other languages
Danish (da)
Inventor
Elwood Grissinger
Original Assignee
Elwood Grissinger
Publication date
Application granted granted Critical
Publication of DK18500C publication Critical patent/DK18500C/en

Links

DK18500D Telephone relay. DK18500C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK18500T

Publications (1)

Publication Number Publication Date
DK18500C true DK18500C (en) 1914-02-23

Family

ID=27834111

Family Applications (1)

Application Number Title Priority Date Filing Date
DK18500D DK18500C (en) Telephone relay.

Country Status (1)

Country Link
DK (1) DK18500C (en)

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