CA490517A - Respirator - Google Patents

Respirator

Info

Publication number
CA490517A
CA490517A CA490517A CA490517DA CA490517A CA 490517 A CA490517 A CA 490517A CA 490517 A CA490517 A CA 490517A CA 490517D A CA490517D A CA 490517DA CA 490517 A CA490517 A CA 490517A
Authority
CA
Canada
Prior art keywords
respirator
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
CA490517A
Other languages
French (fr)
Inventor
Augustus George 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.)
WILLSON PRODUCTS
Original Assignee
WILLSON PRODUCTS
Publication date
Application granted granted Critical
Publication of CA490517A publication Critical patent/CA490517A/en
Expired legal-status Critical Current

Links

CA490517A Respirator Expired CA490517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA490517T

Publications (1)

Publication Number Publication Date
CA490517A true CA490517A (en) 1953-02-10

Family

ID=35630253

Family Applications (1)

Application Number Title Priority Date Filing Date
CA490517A Expired CA490517A (en) Respirator

Country Status (1)

Country Link
CA (1) CA490517A (en)

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