CA330539A - Systeme amplificateur des sons - Google Patents

Systeme amplificateur des sons

Info

Publication number
CA330539A
CA330539A CA330539A CA330539DA CA330539A CA 330539 A CA330539 A CA 330539A CA 330539 A CA330539 A CA 330539A CA 330539D A CA330539D A CA 330539DA CA 330539 A CA330539 A CA 330539A
Authority
CA
Canada
Prior art keywords
amplifying system
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
CA330539A
Other languages
English (en)
Inventor
L. Hetzel Frank
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.)
HOOVEN AUTOMATIC TYPEWRITER Corp
Original Assignee
HOOVEN AUTOMATIC TYPEWRITER Corp
Publication date
Application granted granted Critical
Publication of CA330539A publication Critical patent/CA330539A/fr
Expired legal-status Critical Current

Links

CA330539A Systeme amplificateur des sons Expired CA330539A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA330539T

Publications (1)

Publication Number Publication Date
CA330539A true CA330539A (fr) 1933-02-28

Family

ID=35292909

Family Applications (1)

Application Number Title Priority Date Filing Date
CA330539A Expired CA330539A (fr) Systeme amplificateur des sons

Country Status (1)

Country Link
CA (1) CA330539A (fr)

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