CA123767A - Appareil a amplifier le son - Google Patents

Appareil a amplifier le son

Info

Publication number
CA123767A
CA123767A CA000123767A CA123767DA CA123767A CA 123767 A CA123767 A CA 123767A CA 000123767 A CA000123767 A CA 000123767A CA 123767D A CA123767D A CA 123767DA CA 123767 A CA123767 A CA 123767A
Authority
CA
Canada
Prior art keywords
sound intensifier
intensifier
sound
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
CA000123767A
Other languages
English (en)
Inventor
Alexander Nikiforoff
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA123767A publication Critical patent/CA123767A/fr
Expired legal-status Critical Current

Links

CA000123767A 1907-11-20 1907-11-20 Appareil a amplifier le son Expired CA123767A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA123767T 1907-11-20

Publications (1)

Publication Number Publication Date
CA123767A true CA123767A (fr) 1910-02-08

Family

ID=45243491

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000123767A Expired CA123767A (fr) 1907-11-20 1907-11-20 Appareil a amplifier le son

Country Status (1)

Country Link
CA (1) CA123767A (fr)

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