CA327573A - Air, gas or smoke extractor - Google Patents

Air, gas or smoke extractor

Info

Publication number
CA327573A
CA327573A CA327573A CA327573DA CA327573A CA 327573 A CA327573 A CA 327573A CA 327573 A CA327573 A CA 327573A CA 327573D A CA327573D A CA 327573DA CA 327573 A CA327573 A CA 327573A
Authority
CA
Canada
Prior art keywords
gas
air
smoke extractor
extractor
smoke
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
CA327573A
Other languages
French (fr)
Inventor
Finlayson Macdonald Duncan
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 CA327573A publication Critical patent/CA327573A/en
Expired legal-status Critical Current

Links

CA327573A Air, gas or smoke extractor Expired CA327573A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA327573T

Publications (1)

Publication Number Publication Date
CA327573A true CA327573A (en) 1932-11-15

Family

ID=35289943

Family Applications (1)

Application Number Title Priority Date Filing Date
CA327573A Expired CA327573A (en) Air, gas or smoke extractor

Country Status (1)

Country Link
CA (1) CA327573A (en)

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