CA453237A - Dispositif de protection contre la poussiere - Google Patents

Dispositif de protection contre la poussiere

Info

Publication number
CA453237A
CA453237A CA453237A CA453237DA CA453237A CA 453237 A CA453237 A CA 453237A CA 453237 A CA453237 A CA 453237A CA 453237D A CA453237D A CA 453237DA CA 453237 A CA453237 A CA 453237A
Authority
CA
Canada
Prior art keywords
dust protector
protector
dust
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
CA453237A
Other languages
English (en)
Inventor
A. Murphy Charles
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 CA453237A publication Critical patent/CA453237A/fr
Expired legal-status Critical Current

Links

CA453237A Dispositif de protection contre la poussiere Expired CA453237A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA453237T

Publications (1)

Publication Number Publication Date
CA453237A true CA453237A (fr) 1948-12-14

Family

ID=35570966

Family Applications (1)

Application Number Title Priority Date Filing Date
CA453237A Expired CA453237A (fr) Dispositif de protection contre la poussiere

Country Status (1)

Country Link
CA (1) CA453237A (fr)

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