CA12472A - Perfectionnements aux appareils de ventilation - Google Patents

Perfectionnements aux appareils de ventilation

Info

Publication number
CA12472A
CA12472A CA000012472A CA12472DA CA12472A CA 12472 A CA12472 A CA 12472A CA 000012472 A CA000012472 A CA 000012472A CA 12472D A CA12472D A CA 12472DA CA 12472 A CA12472 A CA 12472A
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
CA000012472A
Other languages
English (en)
Inventor
John R. Mckinnon
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 CA12472A publication Critical patent/CA12472A/fr
Expired legal-status Critical Current

Links

CA000012472A Perfectionnements aux appareils de ventilation Expired CA12472A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA12472T

Publications (1)

Publication Number Publication Date
CA12472A true CA12472A (fr) 1881-03-09

Family

ID=45129017

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000012472A Expired CA12472A (fr) Perfectionnements aux appareils de ventilation

Country Status (1)

Country Link
CA (1) CA12472A (fr)

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