CA539983A - Epurateur d'air - Google Patents

Epurateur d'air

Info

Publication number
CA539983A
CA539983A CA539983A CA539983DA CA539983A CA 539983 A CA539983 A CA 539983A CA 539983 A CA539983 A CA 539983A CA 539983D A CA539983D A CA 539983DA CA 539983 A CA539983 A CA 539983A
Authority
CA
Canada
Prior art keywords
dust filter
dust
filter
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
CA539983A
Other languages
English (en)
Inventor
B. Evans Robert
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.)
MSA Safety Inc
Original Assignee
Mine Safety Appliances Co
Publication date
Application granted granted Critical
Publication of CA539983A publication Critical patent/CA539983A/fr
Expired legal-status Critical Current

Links

CA539983A Epurateur d'air Expired CA539983A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA539983T

Publications (1)

Publication Number Publication Date
CA539983A true CA539983A (fr) 1957-04-23

Family

ID=35694637

Family Applications (1)

Application Number Title Priority Date Filing Date
CA539983A Expired CA539983A (fr) Epurateur d'air

Country Status (1)

Country Link
CA (1) CA539983A (fr)

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