CA382945A - Air filtering material - Google Patents

Air filtering material

Info

Publication number
CA382945A
CA382945A CA382945A CA382945DA CA382945A CA 382945 A CA382945 A CA 382945A CA 382945 A CA382945 A CA 382945A CA 382945D A CA382945D A CA 382945DA CA 382945 A CA382945 A CA 382945A
Authority
CA
Canada
Prior art keywords
filtering material
air filtering
air
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
CA382945A
Other languages
French (fr)
Inventor
J. Billings Howard
C. Crocker Ernest
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.)
Arthur D Little Inc
Original Assignee
Arthur D Little Inc
Publication date
Application granted granted Critical
Publication of CA382945A publication Critical patent/CA382945A/en
Expired legal-status Critical Current

Links

CA382945A Air filtering material Expired CA382945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA382945T

Publications (1)

Publication Number Publication Date
CA382945A true CA382945A (en) 1939-07-25

Family

ID=35388177

Family Applications (1)

Application Number Title Priority Date Filing Date
CA382945A Expired CA382945A (en) Air filtering material

Country Status (1)

Country Link
CA (1) CA382945A (en)

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