CA816963A - Acoustical structure - Google Patents

Acoustical structure

Info

Publication number
CA816963A
CA816963A CA816963A CA816963DA CA816963A CA 816963 A CA816963 A CA 816963A CA 816963 A CA816963 A CA 816963A CA 816963D A CA816963D A CA 816963DA CA 816963 A CA816963 A CA 816963A
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
CA816963A
Inventor
W. Thompson Walter
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 CA816963A publication Critical patent/CA816963A/en
Expired legal-status Critical Current

Links

CA816963A Acoustical structure Expired CA816963A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA816963T

Publications (1)

Publication Number Publication Date
CA816963A true CA816963A (en) 1969-07-08

Family

ID=36289497

Family Applications (1)

Application Number Title Priority Date Filing Date
CA816963A Expired CA816963A (en) Acoustical structure

Country Status (1)

Country Link
CA (1) CA816963A (en)

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