CA6440A - Ventilateur-chapeau de cheminee - Google Patents

Ventilateur-chapeau de cheminee

Info

Publication number
CA6440A
CA6440A CA000006440A CA6440DA CA6440A CA 6440 A CA6440 A CA 6440A CA 000006440 A CA000006440 A CA 000006440A CA 6440D A CA6440D A CA 6440DA CA 6440 A CA6440 A CA 6440A
Authority
CA
Canada
Prior art keywords
ventilator
chimney top
chimney
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
CA000006440A
Other languages
English (en)
Inventor
John B. Robertson
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 CA6440A publication Critical patent/CA6440A/fr
Expired legal-status Critical Current

Links

CA000006440A Ventilateur-chapeau de cheminee Expired CA6440A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA6440T

Publications (1)

Publication Number Publication Date
CA6440A true CA6440A (fr) 1876-08-12

Family

ID=45122992

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000006440A Expired CA6440A (fr) Ventilateur-chapeau de cheminee

Country Status (1)

Country Link
CA (1) CA6440A (fr)

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