CA394942A - Systeme d'avertisseurs - Google Patents

Systeme d'avertisseurs

Info

Publication number
CA394942A
CA394942A CA394942A CA394942DA CA394942A CA 394942 A CA394942 A CA 394942A CA 394942 A CA394942 A CA 394942A CA 394942D A CA394942D A CA 394942DA CA 394942 A CA394942 A CA 394942A
Authority
CA
Canada
Prior art keywords
alarm system
alarm
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
CA394942A
Other languages
English (en)
Inventor
H. Sims Charles
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.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA394942A publication Critical patent/CA394942A/fr
Expired legal-status Critical Current

Links

CA394942A Systeme d'avertisseurs Expired CA394942A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA394942T

Publications (1)

Publication Number Publication Date
CA394942A true CA394942A (fr) 1941-03-04

Family

ID=35402402

Family Applications (1)

Application Number Title Priority Date Filing Date
CA394942A Expired CA394942A (fr) Systeme d'avertisseurs

Country Status (1)

Country Link
CA (1) CA394942A (fr)

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