CA447139A - Matiere pour filtre d'air - Google Patents

Matiere pour filtre d'air

Info

Publication number
CA447139A
CA447139A CA447139A CA447139DA CA447139A CA 447139 A CA447139 A CA 447139A CA 447139 A CA447139 A CA 447139A CA 447139D A CA447139D A CA 447139DA CA 447139 A CA447139 A CA 447139A
Authority
CA
Canada
Prior art keywords
air
filtering material
filtering
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
CA447139A
Other languages
English (en)
Inventor
Newton Smith Irving
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.)
Owens Corning Canada Inc
Original Assignee
Fiberglas Canada Inc
Publication date
Application granted granted Critical
Publication of CA447139A publication Critical patent/CA447139A/fr
Expired legal-status Critical Current

Links

CA447139A Matiere pour filtre d'air Expired CA447139A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA447139T

Publications (1)

Publication Number Publication Date
CA447139A true CA447139A (fr) 1948-03-09

Family

ID=35564819

Family Applications (1)

Application Number Title Priority Date Filing Date
CA447139A Expired CA447139A (fr) Matiere pour filtre d'air

Country Status (1)

Country Link
CA (1) CA447139A (fr)

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