CA391258A - Structure absorbant les sons - Google Patents

Structure absorbant les sons

Info

Publication number
CA391258A
CA391258A CA391258A CA391258DA CA391258A CA 391258 A CA391258 A CA 391258A CA 391258 A CA391258 A CA 391258A CA 391258D A CA391258D A CA 391258DA CA 391258 A CA391258 A CA 391258A
Authority
CA
Canada
Prior art keywords
sound
absorbing structure
absorbing
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
CA391258A
Other languages
English (en)
Inventor
S. Parkinson John
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.)
Johns Manville Corp
Original Assignee
Johns Manville Corp
Publication date
Application granted granted Critical
Publication of CA391258A publication Critical patent/CA391258A/fr
Expired legal-status Critical Current

Links

CA391258A Structure absorbant les sons Expired CA391258A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA391258T

Publications (1)

Publication Number Publication Date
CA391258A true CA391258A (fr) 1940-09-10

Family

ID=35398810

Family Applications (1)

Application Number Title Priority Date Filing Date
CA391258A Expired CA391258A (fr) Structure absorbant les sons

Country Status (1)

Country Link
CA (1) CA391258A (fr)

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