CA825997A - Sound attenuator - Google Patents

Sound attenuator

Info

Publication number
CA825997A
CA825997A CA825997A CA825997DA CA825997A CA 825997 A CA825997 A CA 825997A CA 825997 A CA825997 A CA 825997A CA 825997D A CA825997D A CA 825997DA CA 825997 A CA825997 A CA 825997A
Authority
CA
Canada
Prior art keywords
sound attenuator
attenuator
sound
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
CA825997A
Inventor
H. Welty William
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.)
Air Filter Corp
Original Assignee
Air Filter Corp
Publication date
Application granted granted Critical
Publication of CA825997A publication Critical patent/CA825997A/en
Expired legal-status Critical Current

Links

CA825997A Sound attenuator Expired CA825997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA825997T

Publications (1)

Publication Number Publication Date
CA825997A true CA825997A (en) 1969-10-28

Family

ID=36303438

Family Applications (1)

Application Number Title Priority Date Filing Date
CA825997A Expired CA825997A (en) Sound attenuator

Country Status (1)

Country Link
CA (1) CA825997A (en)

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