CA617943A - Draft control device for heating apparatus - Google Patents

Draft control device for heating apparatus

Info

Publication number
CA617943A
CA617943A CA617943A CA617943DA CA617943A CA 617943 A CA617943 A CA 617943A CA 617943 A CA617943 A CA 617943A CA 617943D A CA617943D A CA 617943DA CA 617943 A CA617943 A CA 617943A
Authority
CA
Canada
Prior art keywords
control device
heating apparatus
draft control
draft
heating
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
CA617943A
Inventor
W. Franks Roye
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 CA617943A publication Critical patent/CA617943A/en
Expired legal-status Critical Current

Links

CA617943A Draft control device for heating apparatus Expired CA617943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA617943T

Publications (1)

Publication Number Publication Date
CA617943A true CA617943A (en) 1961-04-11

Family

ID=35860233

Family Applications (1)

Application Number Title Priority Date Filing Date
CA617943A Expired CA617943A (en) Draft control device for heating apparatus

Country Status (1)

Country Link
CA (1) CA617943A (en)

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