CA880461A - Sound control construction - Google Patents

Sound control construction

Info

Publication number
CA880461A
CA880461A CA880461A CA880461DA CA880461A CA 880461 A CA880461 A CA 880461A CA 880461 A CA880461 A CA 880461A CA 880461D A CA880461D A CA 880461DA CA 880461 A CA880461 A CA 880461A
Authority
CA
Canada
Prior art keywords
sound control
control construction
construction
sound
control
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
CA880461A
Inventor
H. Bescher Ralph
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.)
Beazer East Inc
Original Assignee
Koppers Co Inc
Publication date
Application granted granted Critical
Publication of CA880461A publication Critical patent/CA880461A/en
Expired legal-status Critical Current

Links

CA880461A Sound control construction Expired CA880461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA880461T

Publications (1)

Publication Number Publication Date
CA880461A true CA880461A (en) 1971-09-07

Family

ID=36366256

Family Applications (1)

Application Number Title Priority Date Filing Date
CA880461A Expired CA880461A (en) Sound control construction

Country Status (1)

Country Link
CA (1) CA880461A (en)

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