CA315625A - Appareil de ventilation - Google Patents

Appareil de ventilation

Info

Publication number
CA315625A
CA315625A CA315625A CA315625DA CA315625A CA 315625 A CA315625 A CA 315625A CA 315625 A CA315625 A CA 315625A CA 315625D A CA315625D A CA 315625DA CA 315625 A CA315625 A CA 315625A
Authority
CA
Canada
Prior art keywords
ventilating apparatus
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
CA315625A
Other languages
English (en)
Inventor
William Stewart Alexander
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 CA315625A publication Critical patent/CA315625A/fr
Expired legal-status Critical Current

Links

CA315625A Appareil de ventilation Expired CA315625A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA315625T

Publications (1)

Publication Number Publication Date
CA315625A true CA315625A (fr) 1931-09-29

Family

ID=35274953

Family Applications (1)

Application Number Title Priority Date Filing Date
CA315625A Expired CA315625A (fr) Appareil de ventilation

Country Status (1)

Country Link
CA (1) CA315625A (fr)

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