CA551139A - Dispositif pour la production de signaux perceptibles - Google Patents

Dispositif pour la production de signaux perceptibles

Info

Publication number
CA551139A
CA551139A CA551139A CA551139DA CA551139A CA 551139 A CA551139 A CA 551139A CA 551139 A CA551139 A CA 551139A CA 551139D A CA551139D A CA 551139DA CA 551139 A CA551139 A CA 551139A
Authority
CA
Canada
Prior art keywords
audible signals
producing audible
producing
signals
audible
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
CA551139A
Other languages
English (en)
Inventor
G. Griparis Andrew
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 CA551139A publication Critical patent/CA551139A/fr
Expired legal-status Critical Current

Links

CA551139A Dispositif pour la production de signaux perceptibles Expired CA551139A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA551139T

Publications (1)

Publication Number Publication Date
CA551139A true CA551139A (fr) 1958-01-07

Family

ID=35712536

Family Applications (1)

Application Number Title Priority Date Filing Date
CA551139A Expired CA551139A (fr) Dispositif pour la production de signaux perceptibles

Country Status (1)

Country Link
CA (1) CA551139A (fr)

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