CA532902A - Masques protecteurs - Google Patents

Masques protecteurs

Info

Publication number
CA532902A
CA532902A CA532902A CA532902DA CA532902A CA 532902 A CA532902 A CA 532902A CA 532902 A CA532902 A CA 532902A CA 532902D A CA532902D A CA 532902DA CA 532902 A CA532902 A CA 532902A
Authority
CA
Canada
Prior art keywords
face masks
masks
face
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
CA532902A
Other languages
English (en)
Inventor
E. Wood Edwin
A. Hafferty 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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA532902A publication Critical patent/CA532902A/fr
Expired legal-status Critical Current

Links

CA532902A Masques protecteurs Expired CA532902A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA532902T

Publications (1)

Publication Number Publication Date
CA532902A true CA532902A (fr) 1956-11-13

Family

ID=35687516

Family Applications (1)

Application Number Title Priority Date Filing Date
CA532902A Expired CA532902A (fr) Masques protecteurs

Country Status (1)

Country Link
CA (1) CA532902A (fr)

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