CA314156A - Acoustic apparatus - Google Patents

Acoustic apparatus

Info

Publication number
CA314156A
CA314156A CA314156A CA314156DA CA314156A CA 314156 A CA314156 A CA 314156A CA 314156 A CA314156 A CA 314156A CA 314156D A CA314156D A CA 314156DA CA 314156 A CA314156 A CA 314156A
Authority
CA
Canada
Prior art keywords
acoustic apparatus
acoustic
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
CA314156A
Other languages
French (fr)
Inventor
Messmer Rodolphe
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 CA314156A publication Critical patent/CA314156A/en
Expired legal-status Critical Current

Links

CA314156A Acoustic apparatus Expired CA314156A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA314156T

Publications (1)

Publication Number Publication Date
CA314156A true CA314156A (en) 1931-08-11

Family

ID=35273483

Family Applications (1)

Application Number Title Priority Date Filing Date
CA314156A Expired CA314156A (en) Acoustic apparatus

Country Status (1)

Country Link
CA (1) CA314156A (en)

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