CA294228A - Systeme de ventilation - Google Patents

Systeme de ventilation

Info

Publication number
CA294228A
CA294228A CA294228A CA294228DA CA294228A CA 294228 A CA294228 A CA 294228A CA 294228 A CA294228 A CA 294228A CA 294228D A CA294228D A CA 294228DA CA 294228 A CA294228 A CA 294228A
Authority
CA
Canada
Prior art keywords
ventilating system
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
CA294228A
Other languages
English (en)
Inventor
Raymond Kelley Frank
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 CA294228A publication Critical patent/CA294228A/fr
Expired legal-status Critical Current

Links

CA294228A Systeme de ventilation Expired CA294228A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA294228T

Publications (1)

Publication Number Publication Date
CA294228A true CA294228A (fr) 1929-10-29

Family

ID=35231546

Family Applications (1)

Application Number Title Priority Date Filing Date
CA294228A Expired CA294228A (fr) Systeme de ventilation

Country Status (1)

Country Link
CA (1) CA294228A (fr)

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