CA892914A - Air ventilating panel structure and an air control valve therefor - Google Patents

Air ventilating panel structure and an air control valve therefor

Info

Publication number
CA892914A
CA892914A CA892914A CA892914DA CA892914A CA 892914 A CA892914 A CA 892914A CA 892914 A CA892914 A CA 892914A CA 892914D A CA892914D A CA 892914DA CA 892914 A CA892914 A CA 892914A
Authority
CA
Canada
Prior art keywords
air
control valve
panel structure
valve therefor
ventilating panel
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
CA892914A
Inventor
W. Carlson Harry
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.)
Simpson Timber Co
Original Assignee
Simpson Timber Co
Publication date
Application granted granted Critical
Publication of CA892914A publication Critical patent/CA892914A/en
Expired legal-status Critical Current

Links

CA892914A Air ventilating panel structure and an air control valve therefor Expired CA892914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA892914T

Publications (1)

Publication Number Publication Date
CA892914A true CA892914A (en) 1972-02-15

Family

ID=36398972

Family Applications (1)

Application Number Title Priority Date Filing Date
CA892914A Expired CA892914A (en) Air ventilating panel structure and an air control valve therefor

Country Status (1)

Country Link
CA (1) CA892914A (en)

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