CA400869A - Duct heating system - Google Patents

Duct heating system

Info

Publication number
CA400869A
CA400869A CA400869A CA400869DA CA400869A CA 400869 A CA400869 A CA 400869A CA 400869 A CA400869 A CA 400869A CA 400869D A CA400869D A CA 400869DA CA 400869 A CA400869 A CA 400869A
Authority
CA
Canada
Prior art keywords
heating system
duct heating
duct
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
CA400869A
Other languages
French (fr)
Inventor
L. Davison Robert
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.)
John B Pierce Foundation
Original Assignee
John B Pierce Foundation
Publication date
Application granted granted Critical
Publication of CA400869A publication Critical patent/CA400869A/en
Expired legal-status Critical Current

Links

CA400869A Duct heating system Expired CA400869A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA400869T

Publications (1)

Publication Number Publication Date
CA400869A true CA400869A (en) 1941-11-18

Family

ID=35411315

Family Applications (1)

Application Number Title Priority Date Filing Date
CA400869A Expired CA400869A (en) Duct heating system

Country Status (1)

Country Link
CA (1) CA400869A (en)

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