CA289343A - Film acoustique - Google Patents

Film acoustique

Info

Publication number
CA289343A
CA289343A CA289343A CA289343DA CA289343A CA 289343 A CA289343 A CA 289343A CA 289343 A CA289343 A CA 289343A CA 289343D A CA289343D A CA 289343DA CA 289343 A CA289343 A CA 289343A
Authority
CA
Canada
Prior art keywords
acoustic film
acoustic
film
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
CA289343A
Other languages
English (en)
Inventor
Gaumont Leon
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.)
Societe des Etablissements Gaumont
Original Assignee
Societe des Etablissements Gaumont
Publication date
Application granted granted Critical
Publication of CA289343A publication Critical patent/CA289343A/fr
Expired legal-status Critical Current

Links

CA289343A Film acoustique Expired CA289343A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA289343T

Publications (1)

Publication Number Publication Date
CA289343A true CA289343A (fr) 1929-04-30

Family

ID=35226155

Family Applications (1)

Application Number Title Priority Date Filing Date
CA289343A Expired CA289343A (fr) Film acoustique

Country Status (1)

Country Link
CA (1) CA289343A (fr)

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