CA285762A - Dispositif amplificateur des sons - Google Patents

Dispositif amplificateur des sons

Info

Publication number
CA285762A
CA285762A CA285762A CA285762DA CA285762A CA 285762 A CA285762 A CA 285762A CA 285762 A CA285762 A CA 285762A CA 285762D A CA285762D A CA 285762DA CA 285762 A CA285762 A CA 285762A
Authority
CA
Canada
Prior art keywords
amplifying device
sound amplifying
sound
amplifying
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
CA285762A
Other languages
English (en)
Inventor
E. Ross Carmen
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.)
W WYLLIE JOHNSTON
Original Assignee
W WYLLIE JOHNSTON
Publication date
Application granted granted Critical
Publication of CA285762A publication Critical patent/CA285762A/fr
Expired legal-status Critical Current

Links

CA285762A Dispositif amplificateur des sons Expired CA285762A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA285762T

Publications (1)

Publication Number Publication Date
CA285762A true CA285762A (fr) 1928-12-18

Family

ID=35222575

Family Applications (1)

Application Number Title Priority Date Filing Date
CA285762A Expired CA285762A (fr) Dispositif amplificateur des sons

Country Status (1)

Country Link
CA (1) CA285762A (fr)

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