CA408334A - Ventilateur a tirage - Google Patents

Ventilateur a tirage

Info

Publication number
CA408334A
CA408334A CA408334A CA408334DA CA408334A CA 408334 A CA408334 A CA 408334A CA 408334 A CA408334 A CA 408334A CA 408334D A CA408334D A CA 408334DA CA 408334 A CA408334 A CA 408334A
Authority
CA
Canada
Prior art keywords
exhaust fan
fan
exhaust
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
CA408334A
Other languages
English (en)
Inventor
S. Litchfield Howard
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA408334A publication Critical patent/CA408334A/fr
Expired legal-status Critical Current

Links

CA408334A Ventilateur a tirage Expired CA408334A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA408334T

Publications (1)

Publication Number Publication Date
CA408334A true CA408334A (fr) 1942-11-03

Family

ID=35419634

Family Applications (1)

Application Number Title Priority Date Filing Date
CA408334A Expired CA408334A (fr) Ventilateur a tirage

Country Status (1)

Country Link
CA (1) CA408334A (fr)

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