CA211548A - Registre de conduite du tirage - Google Patents

Registre de conduite du tirage

Info

Publication number
CA211548A
CA211548A CA211548A CA211548DA CA211548A CA 211548 A CA211548 A CA 211548A CA 211548 A CA211548 A CA 211548A CA 211548D A CA211548D A CA 211548DA CA 211548 A CA211548 A CA 211548A
Authority
CA
Canada
Prior art keywords
draft control
smoke conduits
conduits
smoke
draft
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
CA211548A
Other languages
English (en)
Inventor
W. Howard Lawrence
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 CA211548A publication Critical patent/CA211548A/fr
Expired legal-status Critical Current

Links

CA211548A Registre de conduite du tirage Expired CA211548A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA211548T

Publications (1)

Publication Number Publication Date
CA211548A true CA211548A (fr) 1921-05-17

Family

ID=35105327

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211548A Expired CA211548A (fr) Registre de conduite du tirage

Country Status (1)

Country Link
CA (1) CA211548A (fr)

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