CA516956A - Sound-absorbing wall treatment - Google Patents
Sound-absorbing wall treatmentInfo
- Publication number
- CA516956A CA516956A CA516956A CA516956DA CA516956A CA 516956 A CA516956 A CA 516956A CA 516956 A CA516956 A CA 516956A CA 516956D A CA516956D A CA 516956DA CA 516956 A CA516956 A CA 516956A
- Authority
- CA
- Canada
- Prior art keywords
- sound
- absorbing wall
- wall treatment
- treatment
- 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
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA516956T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA516956A true CA516956A (en) | 1955-09-27 |
Family
ID=35670149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA516956A Expired CA516956A (en) | Sound-absorbing wall treatment |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA516956A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4883513A (en) * | 1988-02-05 | 1989-11-28 | Donaldson Company, Inc. | Filter cap for clean room ceiling grid system |
-
0
- CA CA516956A patent/CA516956A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4883513A (en) * | 1988-02-05 | 1989-11-28 | Donaldson Company, Inc. | Filter cap for clean room ceiling grid system |
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