DK20370C - Telephone exchange system. - Google Patents

Telephone exchange system.

Info

Publication number
DK20370C
DK20370C DK20370DA DK20370C DK 20370 C DK20370 C DK 20370C DK 20370D A DK20370D A DK 20370DA DK 20370 C DK20370 C DK 20370C
Authority
DK
Denmark
Prior art keywords
exchange system
telephone exchange
telephone
exchange
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 DK20370C publication Critical patent/DK20370C/en

Links

DK20370D 1911-09-26 Telephone exchange system. DK20370C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20370X 1911-09-26

Publications (1)

Publication Number Publication Date
DK20370C true DK20370C (en) 1915-07-19

Family

ID=27839452

Family Applications (1)

Application Number Title Priority Date Filing Date
DK20370D DK20370C (en) 1911-09-26 Telephone exchange system.

Country Status (1)

Country Link
DK (1) DK20370C (en)

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