CA434144A - Sirene - Google Patents

Sirene

Info

Publication number
CA434144A
CA434144A CA434144A CA434144DA CA434144A CA 434144 A CA434144 A CA 434144A CA 434144 A CA434144 A CA 434144A CA 434144D A CA434144D A CA 434144DA CA 434144 A CA434144 A CA 434144A
Authority
CA
Canada
Prior art keywords
siren
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
CA434144A
Other languages
English (en)
Inventor
Conrad Millard Frederick
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA434144A publication Critical patent/CA434144A/fr
Expired legal-status Critical Current

Links

CA434144A Sirene Expired CA434144A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA434144T

Publications (1)

Publication Number Publication Date
CA434144A true CA434144A (fr) 1946-04-16

Family

ID=35548772

Family Applications (1)

Application Number Title Priority Date Filing Date
CA434144A Expired CA434144A (fr) Sirene

Country Status (1)

Country Link
CA (1) CA434144A (fr)

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