CA108417A - Sifflet d'alarme - Google Patents

Sifflet d'alarme

Info

Publication number
CA108417A
CA108417A CA000108417A CA108417DA CA108417A CA 108417 A CA108417 A CA 108417A CA 000108417 A CA000108417 A CA 000108417A CA 108417D A CA108417D A CA 108417DA CA 108417 A CA108417 A CA 108417A
Authority
CA
Canada
Prior art keywords
sound signal
sound
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
CA000108417A
Other languages
English (en)
Inventor
Thomas Leopold Willson
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.)
INTERNATIONAL MARINE SIGNAL Co
Original Assignee
INTERNATIONAL MARINE SIGNAL Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by INTERNATIONAL MARINE SIGNAL Co filed Critical INTERNATIONAL MARINE SIGNAL Co
Application granted granted Critical
Publication of CA108417A publication Critical patent/CA108417A/fr
Expired legal-status Critical Current

Links

CA000108417A 1907-06-11 1907-06-11 Sifflet d'alarme Expired CA108417A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA108417T 1907-06-11

Publications (1)

Publication Number Publication Date
CA108417A true CA108417A (fr) 1907-11-05

Family

ID=45228143

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000108417A Expired CA108417A (fr) 1907-06-11 1907-06-11 Sifflet d'alarme

Country Status (1)

Country Link
CA (1) CA108417A (fr)

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