CA456567A - Masque chirurgical - Google Patents

Masque chirurgical

Info

Publication number
CA456567A
CA456567A CA456567A CA456567DA CA456567A CA 456567 A CA456567 A CA 456567A CA 456567 A CA456567 A CA 456567A CA 456567D A CA456567D A CA 456567DA CA 456567 A CA456567 A CA 456567A
Authority
CA
Canada
Prior art keywords
surgical mask
surgical
mask
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
CA456567A
Other languages
English (en)
Inventor
R. Williams Spencer
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.)
GERM-EX MASK Co Ltd
ROBERT N IRWIN
Original Assignee
GERM-EX MASK Co Ltd
ROBERT N IRWIN
Publication date
Application granted granted Critical
Publication of CA456567A publication Critical patent/CA456567A/fr
Expired legal-status Critical Current

Links

CA456567A Masque chirurgical Expired CA456567A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA456567T

Publications (1)

Publication Number Publication Date
CA456567A true CA456567A (fr) 1949-05-10

Family

ID=35574307

Family Applications (1)

Application Number Title Priority Date Filing Date
CA456567A Expired CA456567A (fr) Masque chirurgical

Country Status (1)

Country Link
CA (1) CA456567A (fr)

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