DK32540C - Procedure and Apparatus for Operating Automatic Devices for Automatic and Semi-Automatic Telephone Systems and the Like. - Google Patents

Procedure and Apparatus for Operating Automatic Devices for Automatic and Semi-Automatic Telephone Systems and the Like.

Info

Publication number
DK32540C
DK32540C DK32540DA DK32540C DK 32540 C DK32540 C DK 32540C DK 32540D A DK32540D A DK 32540DA DK 32540 C DK32540 C DK 32540C
Authority
DK
Denmark
Prior art keywords
automatic
semi
procedure
operating
telephone systems
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Telefonapparatfabrikanterne Au
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.)
Filing date
Publication date
Application filed by Telefonapparatfabrikanterne Au filed Critical Telefonapparatfabrikanterne Au
Application granted granted Critical
Publication of DK32540C publication Critical patent/DK32540C/en

Links

DK32540D 1919-05-15 1920-03-06 Procedure and Apparatus for Operating Automatic Devices for Automatic and Semi-Automatic Telephone Systems and the Like. DK32540C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32540XA 1919-05-15 1919-05-15

Publications (1)

Publication Number Publication Date
DK32540C true DK32540C (en) 1923-11-26

Family

ID=21704937

Family Applications (1)

Application Number Title Priority Date Filing Date
DK32540D DK32540C (en) 1919-05-15 1920-03-06 Procedure and Apparatus for Operating Automatic Devices for Automatic and Semi-Automatic Telephone Systems and the Like.

Country Status (1)

Country Link
DK (1) DK32540C (en)

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