CA282439A - Haut-parleur - Google Patents

Haut-parleur

Info

Publication number
CA282439A
CA282439A CA282439A CA282439DA CA282439A CA 282439 A CA282439 A CA 282439A CA 282439 A CA282439 A CA 282439A CA 282439D A CA282439D A CA 282439DA CA 282439 A CA282439 A CA 282439A
Authority
CA
Canada
Prior art keywords
sound mechanism
sound
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
CA282439A
Other languages
English (en)
Inventor
Shaughnessy O'donnell Patrick
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 CA282439A publication Critical patent/CA282439A/fr
Expired legal-status Critical Current

Links

CA282439A Haut-parleur Expired CA282439A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA282439T

Publications (1)

Publication Number Publication Date
CA282439A true CA282439A (fr) 1928-08-14

Family

ID=35215531

Family Applications (1)

Application Number Title Priority Date Filing Date
CA282439A Expired CA282439A (fr) Haut-parleur

Country Status (1)

Country Link
CA (1) CA282439A (fr)

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