CA897577A - Acoustical structure - Google Patents

Acoustical structure

Info

Publication number
CA897577A
CA897577A CA897577A CA897577DA CA897577A CA 897577 A CA897577 A CA 897577A CA 897577 A CA897577 A CA 897577A CA 897577D A CA897577D A CA 897577DA CA 897577 A CA897577 A CA 897577A
Authority
CA
Canada
Prior art keywords
acoustical structure
acoustical
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
CA897577A
Inventor
D. Ziegel Kenneth
K. Gladding Edward
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Publication date
Application granted granted Critical
Publication of CA897577A publication Critical patent/CA897577A/en
Expired legal-status Critical Current

Links

CA897577A Acoustical structure Expired CA897577A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA897577T

Publications (1)

Publication Number Publication Date
CA897577A true CA897577A (en) 1972-04-11

Family

ID=36403494

Family Applications (1)

Application Number Title Priority Date Filing Date
CA897577A Expired CA897577A (en) Acoustical structure

Country Status (1)

Country Link
CA (1) CA897577A (en)

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