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CA298707A - Sound regulating device - Google Patents

Sound regulating device

Info

Publication number
CA298707A
CA298707A CA298707A CA298707DA CA298707A CA 298707 A CA298707 A CA 298707A CA 298707 A CA298707 A CA 298707A CA 298707D A CA298707D A CA 298707DA CA 298707 A CA298707 A CA 298707A
Authority
CA
Canada
Prior art keywords
regulating device
sound regulating
sound
regulating
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
CA298707A
Other languages
French (fr)
Inventor
Deane Haigis Carleton
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.)
Victor Talking Machine Co
Original Assignee
Victor Talking Machine Co
Publication date
Application granted granted Critical
Publication of CA298707A publication Critical patent/CA298707A/en
Expired legal-status Critical Current

Links

CA298707A Sound regulating device Expired CA298707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA298707T

Publications (1)

Publication Number Publication Date
CA298707A true CA298707A (en) 1930-03-25

Family

ID=35236026

Family Applications (1)

Application Number Title Priority Date Filing Date
CA298707A Expired CA298707A (en) Sound regulating device

Country Status (1)

Country Link
CA (1) CA298707A (en)

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