DK74456C - Semi-automatic telephone system. - Google Patents

Semi-automatic telephone system.

Info

Publication number
DK74456C
DK74456C DK420246A DK420246A DK74456C DK 74456 C DK74456 C DK 74456C DK 420246 A DK420246 A DK 420246A DK 420246 A DK420246 A DK 420246A DK 74456 C DK74456 C DK 74456C
Authority
DK
Denmark
Prior art keywords
semi
telephone system
automatic telephone
automatic
telephone
Prior art date
Application number
DK420246A
Other languages
Danish (da)
Original Assignee
Automatic Elect Lab
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 Automatic Elect Lab filed Critical Automatic Elect Lab
Application granted granted Critical
Publication of DK74456C publication Critical patent/DK74456C/en

Links

DK420246A 1940-03-01 1946-10-26 Semi-automatic telephone system. DK74456C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74456XA 1940-03-01 1940-03-01

Publications (1)

Publication Number Publication Date
DK74456C true DK74456C (en) 1952-07-21

Family

ID=21726198

Family Applications (1)

Application Number Title Priority Date Filing Date
DK420246A DK74456C (en) 1940-03-01 1946-10-26 Semi-automatic telephone system.

Country Status (1)

Country Link
DK (1) DK74456C (en)

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