CA444482A - Dispositif d'amplification du volume de son - Google Patents

Dispositif d'amplification du volume de son

Info

Publication number
CA444482A
CA444482A CA444482A CA444482DA CA444482A CA 444482 A CA444482 A CA 444482A CA 444482 A CA444482 A CA 444482A CA 444482D A CA444482D A CA 444482DA CA 444482 A CA444482 A CA 444482A
Authority
CA
Canada
Prior art keywords
volume expander
expander
volume
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
CA444482A
Other languages
English (en)
Inventor
Gadbois Georges
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 CA444482A publication Critical patent/CA444482A/fr
Expired legal-status Critical Current

Links

CA444482A Dispositif d'amplification du volume de son Expired CA444482A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA444482T

Publications (1)

Publication Number Publication Date
CA444482A true CA444482A (fr) 1947-10-14

Family

ID=35562121

Family Applications (1)

Application Number Title Priority Date Filing Date
CA444482A Expired CA444482A (fr) Dispositif d'amplification du volume de son

Country Status (1)

Country Link
CA (1) CA444482A (fr)

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