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CA297783A - Sound reproducing device - Google Patents

Sound reproducing device

Info

Publication number
CA297783A
CA297783A CA297783A CA297783DA CA297783A CA 297783 A CA297783 A CA 297783A CA 297783 A CA297783 A CA 297783A CA 297783D A CA297783D A CA 297783DA CA 297783 A CA297783 A CA 297783A
Authority
CA
Canada
Prior art keywords
reproducing device
sound reproducing
sound
reproducing
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
CA297783A
Other languages
French (fr)
Inventor
Heather Johnson Douglas
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.)
CELESTION Ltd
Original Assignee
CELESTION Ltd
Publication date
Application granted granted Critical
Publication of CA297783A publication Critical patent/CA297783A/en
Expired legal-status Critical Current

Links

CA297783A Sound reproducing device Expired CA297783A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA297783T

Publications (1)

Publication Number Publication Date
CA297783A true CA297783A (en) 1930-02-25

Family

ID=35235103

Family Applications (1)

Application Number Title Priority Date Filing Date
CA297783A Expired CA297783A (en) Sound reproducing device

Country Status (1)

Country Link
CA (1) CA297783A (en)

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