CA293632A - Dispositif de ventilation - Google Patents

Dispositif de ventilation

Info

Publication number
CA293632A
CA293632A CA293632A CA293632DA CA293632A CA 293632 A CA293632 A CA 293632A CA 293632 A CA293632 A CA 293632A CA 293632D A CA293632D A CA 293632DA CA 293632 A CA293632 A CA 293632A
Authority
CA
Canada
Prior art keywords
ventilating device
ventilating
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
CA293632A
Other languages
English (en)
Inventor
James O'connor Leo
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 CA293632A publication Critical patent/CA293632A/fr
Expired legal-status Critical Current

Links

CA293632A Dispositif de ventilation Expired CA293632A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA293632T

Publications (1)

Publication Number Publication Date
CA293632A true CA293632A (fr) 1929-10-01

Family

ID=35230951

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293632A Expired CA293632A (fr) Dispositif de ventilation

Country Status (1)

Country Link
CA (1) CA293632A (fr)

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