CA331455A - Avertisseur sans fil - Google Patents

Avertisseur sans fil

Info

Publication number
CA331455A
CA331455A CA331455A CA331455DA CA331455A CA 331455 A CA331455 A CA 331455A CA 331455 A CA331455 A CA 331455A CA 331455D A CA331455D A CA 331455DA CA 331455 A CA331455 A CA 331455A
Authority
CA
Canada
Prior art keywords
alarm device
wireless alarm
wireless
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
CA331455A
Other languages
English (en)
Inventor
Arnold Appleton William
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.)
CMC Electronics Inc
Original Assignee
Canadian Marconi Co
Publication date
Application granted granted Critical
Publication of CA331455A publication Critical patent/CA331455A/fr
Expired legal-status Critical Current

Links

CA331455A Avertisseur sans fil Expired CA331455A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA331455T

Publications (1)

Publication Number Publication Date
CA331455A true CA331455A (fr) 1933-04-04

Family

ID=35293825

Family Applications (1)

Application Number Title Priority Date Filing Date
CA331455A Expired CA331455A (fr) Avertisseur sans fil

Country Status (1)

Country Link
CA (1) CA331455A (fr)

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