CA979319A - Medical face masks - Google Patents

Medical face masks

Info

Publication number
CA979319A
CA979319A CA171,357A CA171357A CA979319A CA 979319 A CA979319 A CA 979319A CA 171357 A CA171357 A CA 171357A CA 979319 A CA979319 A CA 979319A
Authority
CA
Canada
Prior art keywords
face masks
medical face
medical
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
CA171,357A
Other versions
CA171357S (en
Inventor
Graham J. Ball
Ivor J.M. Fehr
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.)
Vickers Ltd
Original Assignee
Vickers Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vickers Ltd filed Critical Vickers Ltd
Priority to CA171,357A priority Critical patent/CA979319A/en
Application granted granted Critical
Publication of CA979319A publication Critical patent/CA979319A/en
Expired legal-status Critical Current

Links

CA171,357A 1973-05-15 1973-05-15 Medical face masks Expired CA979319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA171,357A CA979319A (en) 1973-05-15 1973-05-15 Medical face masks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA171,357A CA979319A (en) 1973-05-15 1973-05-15 Medical face masks

Publications (1)

Publication Number Publication Date
CA979319A true CA979319A (en) 1975-12-09

Family

ID=4096723

Family Applications (1)

Application Number Title Priority Date Filing Date
CA171,357A Expired CA979319A (en) 1973-05-15 1973-05-15 Medical face masks

Country Status (1)

Country Link
CA (1) CA979319A (en)

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