CA241407A - Appareil de ventilation - Google Patents

Appareil de ventilation

Info

Publication number
CA241407A
CA241407A CA241407A CA241407DA CA241407A CA 241407 A CA241407 A CA 241407A CA 241407 A CA241407 A CA 241407A CA 241407D A CA241407D A CA 241407DA CA 241407 A CA241407 A CA 241407A
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
CA241407A
Other languages
English (en)
Inventor
William Warden Pickance Frederick
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 CA241407A publication Critical patent/CA241407A/fr
Expired legal-status Critical Current

Links

CA241407A Appareil de ventilation Expired CA241407A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA241407T

Publications (1)

Publication Number Publication Date
CA241407A true CA241407A (fr) 1924-07-08

Family

ID=35145437

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241407A Expired CA241407A (fr) Appareil de ventilation

Country Status (1)

Country Link
CA (1) CA241407A (fr)

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