DK47012C - Selective automatic alarm system. - Google Patents

Selective automatic alarm system.

Info

Publication number
DK47012C
DK47012C DK47012DA DK47012C DK 47012 C DK47012 C DK 47012C DK 47012D A DK47012D A DK 47012DA DK 47012 C DK47012 C DK 47012C
Authority
DK
Denmark
Prior art keywords
alarm system
automatic alarm
selective automatic
selective
automatic
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Submarine Signal Co
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 Submarine Signal Co filed Critical Submarine Signal Co
Application granted granted Critical
Publication of DK47012C publication Critical patent/DK47012C/en

Links

DK47012D 1930-12-05 1931-11-24 Selective automatic alarm system. DK47012C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47012XA 1930-12-05 1930-12-05

Publications (1)

Publication Number Publication Date
DK47012C true DK47012C (en) 1933-02-27

Family

ID=21712093

Family Applications (1)

Application Number Title Priority Date Filing Date
DK47012D DK47012C (en) 1930-12-05 1931-11-24 Selective automatic alarm system.

Country Status (1)

Country Link
DK (1) DK47012C (en)

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