CA486291A - Sirenes rotatives - Google Patents

Sirenes rotatives

Info

Publication number
CA486291A
CA486291A CA486291A CA486291DA CA486291A CA 486291 A CA486291 A CA 486291A CA 486291 A CA486291 A CA 486291A CA 486291D A CA486291D A CA 486291DA CA 486291 A CA486291 A CA 486291A
Authority
CA
Canada
Prior art keywords
sirens
rotary
rotary sirens
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
CA486291A
Other languages
English (en)
Inventor
Stuart Russell Ernest
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 CA486291A publication Critical patent/CA486291A/fr
Expired legal-status Critical Current

Links

CA486291A Sirenes rotatives Expired CA486291A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA486291T

Publications (1)

Publication Number Publication Date
CA486291A true CA486291A (fr) 1952-09-09

Family

ID=35626005

Family Applications (1)

Application Number Title Priority Date Filing Date
CA486291A Expired CA486291A (fr) Sirenes rotatives

Country Status (1)

Country Link
CA (1) CA486291A (fr)

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