CA521623A - Respirator - Google Patents

Respirator

Info

Publication number
CA521623A
CA521623A CA521623A CA521623DA CA521623A CA 521623 A CA521623 A CA 521623A CA 521623 A CA521623 A CA 521623A CA 521623D A CA521623D A CA 521623DA CA 521623 A CA521623 A CA 521623A
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
CA521623A
Other languages
French (fr)
Inventor
N. Matheson James
J. Wiswesser William
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 CA521623A publication Critical patent/CA521623A/en
Expired legal-status Critical Current

Links

CA521623A Respirator Expired CA521623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA521623T

Publications (1)

Publication Number Publication Date
CA521623A true CA521623A (en) 1956-02-07

Family

ID=35674846

Family Applications (1)

Application Number Title Priority Date Filing Date
CA521623A Expired CA521623A (en) Respirator

Country Status (1)

Country Link
CA (1) CA521623A (en)

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