CA458039A - Masque protecteur - Google Patents

Masque protecteur

Info

Publication number
CA458039A
CA458039A CA458039A CA458039DA CA458039A CA 458039 A CA458039 A CA 458039A CA 458039 A CA458039 A CA 458039A CA 458039D A CA458039D A CA 458039DA CA 458039 A CA458039 A CA 458039A
Authority
CA
Canada
Prior art keywords
protective mask
mask
protective
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
CA458039A
Other languages
English (en)
Inventor
Pyungok Woo John
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 CA458039A publication Critical patent/CA458039A/fr
Expired legal-status Critical Current

Links

CA458039A Masque protecteur Expired CA458039A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA458039T

Publications (1)

Publication Number Publication Date
CA458039A true CA458039A (fr) 1949-07-12

Family

ID=35576006

Family Applications (1)

Application Number Title Priority Date Filing Date
CA458039A Expired CA458039A (fr) Masque protecteur

Country Status (1)

Country Link
CA (1) CA458039A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686976A (en) * 1984-11-28 1987-08-18 Bakkila Charles A Safety mask

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686976A (en) * 1984-11-28 1987-08-18 Bakkila Charles A Safety mask

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