CA395569A - Dispositif de ventilation - Google Patents

Dispositif de ventilation

Info

Publication number
CA395569A
CA395569A CA395569A CA395569DA CA395569A CA 395569 A CA395569 A CA 395569A CA 395569 A CA395569 A CA 395569A CA 395569D A CA395569D A CA 395569DA CA 395569 A CA395569 A CA 395569A
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
CA395569A
Other languages
English (en)
Inventor
William Rooney John
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 CA395569A publication Critical patent/CA395569A/fr
Expired legal-status Critical Current

Links

CA395569A Dispositif de ventilation Expired CA395569A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA395569T

Publications (1)

Publication Number Publication Date
CA395569A true CA395569A (fr) 1941-04-01

Family

ID=35403017

Family Applications (1)

Application Number Title Priority Date Filing Date
CA395569A Expired CA395569A (fr) Dispositif de ventilation

Country Status (1)

Country Link
CA (1) CA395569A (fr)

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