CA514680A - Appareil de commande de tirage - Google Patents

Appareil de commande de tirage

Info

Publication number
CA514680A
CA514680A CA514680A CA514680DA CA514680A CA 514680 A CA514680 A CA 514680A CA 514680 A CA514680 A CA 514680A CA 514680D A CA514680D A CA 514680DA CA 514680 A CA514680 A CA 514680A
Authority
CA
Canada
Prior art keywords
control apparatus
draft control
draft
control
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
CA514680A
Other languages
English (en)
Inventor
C. Edwards 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 CA514680A publication Critical patent/CA514680A/fr
Expired legal-status Critical Current

Links

CA514680A Appareil de commande de tirage Expired CA514680A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA514680T

Publications (1)

Publication Number Publication Date
CA514680A true CA514680A (fr) 1955-07-12

Family

ID=35665769

Family Applications (1)

Application Number Title Priority Date Filing Date
CA514680A Expired CA514680A (fr) Appareil de commande de tirage

Country Status (1)

Country Link
CA (1) CA514680A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920866A (en) * 1988-05-12 1990-05-01 Michael Hoban Anti back draft device for flue

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920866A (en) * 1988-05-12 1990-05-01 Michael Hoban Anti back draft device for flue

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