CA297225A - Ventilating device - Google Patents

Ventilating device

Info

Publication number
CA297225A
CA297225A CA297225A CA297225DA CA297225A CA 297225 A CA297225 A CA 297225A CA 297225 A CA297225 A CA 297225A CA 297225D A CA297225D A CA 297225DA CA 297225 A CA297225 A CA 297225A
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
CA297225A
Other languages
French (fr)
Inventor
Horace Merrill 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 CA297225A publication Critical patent/CA297225A/en
Expired legal-status Critical Current

Links

CA297225A Ventilating device Expired CA297225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA297225T

Publications (1)

Publication Number Publication Date
CA297225A true CA297225A (en) 1930-02-04

Family

ID=35234544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA297225A Expired CA297225A (en) Ventilating device

Country Status (1)

Country Link
CA (1) CA297225A (en)

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