CA558171A - Automatic ventilating air filters - Google Patents

Automatic ventilating air filters

Info

Publication number
CA558171A
CA558171A CA558171A CA558171DA CA558171A CA 558171 A CA558171 A CA 558171A CA 558171 A CA558171 A CA 558171A CA 558171D A CA558171D A CA 558171DA CA 558171 A CA558171 A CA 558171A
Authority
CA
Canada
Prior art keywords
air filters
ventilating air
automatic ventilating
automatic
filters
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
CA558171A
Other languages
French (fr)
Inventor
D. Rivers Richard
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.)
American Air Filter Co Inc
Original Assignee
American Air Filter Co Inc
Publication date
Application granted granted Critical
Publication of CA558171A publication Critical patent/CA558171A/en
Expired legal-status Critical Current

Links

CA558171A Automatic ventilating air filters Expired CA558171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA558171T

Publications (1)

Publication Number Publication Date
CA558171A true CA558171A (en) 1958-06-03

Family

ID=35724579

Family Applications (1)

Application Number Title Priority Date Filing Date
CA558171A Expired CA558171A (en) Automatic ventilating air filters

Country Status (1)

Country Link
CA (1) CA558171A (en)

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