CA542825A - Ventilateur du genre d'orifice d'aerage ajustable - Google Patents

Ventilateur du genre d'orifice d'aerage ajustable

Info

Publication number
CA542825A
CA542825A CA542825A CA542825DA CA542825A CA 542825 A CA542825 A CA 542825A CA 542825 A CA542825 A CA 542825A CA 542825D A CA542825D A CA 542825DA CA 542825 A CA542825 A CA 542825A
Authority
CA
Canada
Prior art keywords
type ventilator
louver type
adjustable louver
adjustable
ventilator
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
CA542825A
Other languages
English (en)
Inventor
L. Smith Lester
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.)
WALTER E SELCK AND CO OF CANADA
Original Assignee
WALTER E SELCK AND CO OF CANADA
Publication date
Application granted granted Critical
Publication of CA542825A publication Critical patent/CA542825A/fr
Expired legal-status Critical Current

Links

CA542825A Ventilateur du genre d'orifice d'aerage ajustable Expired CA542825A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA542825T

Publications (1)

Publication Number Publication Date
CA542825A true CA542825A (fr) 1957-06-25

Family

ID=35699985

Family Applications (1)

Application Number Title Priority Date Filing Date
CA542825A Expired CA542825A (fr) Ventilateur du genre d'orifice d'aerage ajustable

Country Status (1)

Country Link
CA (1) CA542825A (fr)

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