CA453857A - Ventilating system for positive air control in buildings - Google Patents

Ventilating system for positive air control in buildings

Info

Publication number
CA453857A
CA453857A CA453857A CA453857DA CA453857A CA 453857 A CA453857 A CA 453857A CA 453857 A CA453857 A CA 453857A CA 453857D A CA453857D A CA 453857DA CA 453857 A CA453857 A CA 453857A
Authority
CA
Canada
Prior art keywords
buildings
air control
ventilating system
positive air
positive
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
CA453857A
Other languages
French (fr)
Inventor
E. Waterman Arthur
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.)
JAMES Manufacturing CO
Original Assignee
JAMES Manufacturing CO
Publication date
Application granted granted Critical
Publication of CA453857A publication Critical patent/CA453857A/en
Expired legal-status Critical Current

Links

CA453857A Ventilating system for positive air control in buildings Expired CA453857A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA453857T

Publications (1)

Publication Number Publication Date
CA453857A true CA453857A (en) 1949-01-04

Family

ID=35571589

Family Applications (1)

Application Number Title Priority Date Filing Date
CA453857A Expired CA453857A (en) Ventilating system for positive air control in buildings

Country Status (1)

Country Link
CA (1) CA453857A (en)

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