CA516956A - Sound-absorbing wall treatment - Google Patents

Sound-absorbing wall treatment

Info

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
Application number
CA516956A
Other languages
French (fr)
Inventor
L. Siering Robert
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 CA516956A publication Critical patent/CA516956A/en
Expired legal-status Critical Current

Links

CA516956A Sound-absorbing wall treatment Expired CA516956A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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