DK21931C - Automatic Telephone System. - Google Patents

Automatic Telephone System.

Info

Publication number
DK21931C
DK21931C DK21931DA DK21931C DK 21931 C DK21931 C DK 21931C DK 21931D A DK21931D A DK 21931DA DK 21931 C DK21931 C DK 21931C
Authority
DK
Denmark
Prior art keywords
telephone system
automatic telephone
automatic
telephone
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Elektrisk Bureau As
Publication date
Application granted granted Critical
Publication of DK21931C publication Critical patent/DK21931C/en

Links

DK21931D Automatic Telephone System. DK21931C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK21931T

Publications (1)

Publication Number Publication Date
DK21931C true DK21931C (en) 1917-02-19

Family

ID=27836874

Family Applications (1)

Application Number Title Priority Date Filing Date
DK21931D DK21931C (en) Automatic Telephone System.

Country Status (1)

Country Link
DK (1) DK21931C (en)

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