CA412626A - Alarm signal system - Google Patents

Alarm signal system

Info

Publication number
CA412626A
CA412626A CA412626A CA412626DA CA412626A CA 412626 A CA412626 A CA 412626A CA 412626 A CA412626 A CA 412626A CA 412626D A CA412626D A CA 412626DA CA 412626 A CA412626 A CA 412626A
Authority
CA
Canada
Prior art keywords
alarm signal
signal system
alarm
signal
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA412626A
Other languages
French (fr)
Inventor
Frank Cypser Hugo
Pool Clark
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIGNAL ENGINEERING AND MANUFACTURING Co
Original Assignee
SIGNAL ENGINEERING AND MANUFACTURING Co
Publication date
Application granted granted Critical
Publication of CA412626A publication Critical patent/CA412626A/en
Expired legal-status Critical Current

Links

CA412626A Alarm signal system Expired CA412626A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA412626T

Publications (1)

Publication Number Publication Date
CA412626A true CA412626A (en) 1943-05-18

Family

ID=35521790

Family Applications (1)

Application Number Title Priority Date Filing Date
CA412626A Expired CA412626A (en) Alarm signal system

Country Status (1)

Country Link
CA (1) CA412626A (en)

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