CA20196A - Ventilateur - Google Patents

Ventilateur

Info

Publication number
CA20196A
CA20196A CA000020196A CA20196DA CA20196A CA 20196 A CA20196 A CA 20196A CA 000020196 A CA000020196 A CA 000020196A CA 20196D A CA20196D A CA 20196DA CA 20196 A CA20196 A CA 20196A
Authority
CA
Canada
Prior art keywords
houses
buildings
ventilation
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
CA000020196A
Other languages
English (en)
Inventor
Robert S. Knight
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 CA20196A publication Critical patent/CA20196A/fr
Expired legal-status Critical Current

Links

CA000020196A Ventilateur Expired CA20196A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA20196T

Publications (1)

Publication Number Publication Date
CA20196A true CA20196A (fr) 1884-09-17

Family

ID=45136739

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000020196A Expired CA20196A (fr) Ventilateur

Country Status (1)

Country Link
CA (1) CA20196A (fr)

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