CA481290A - Masque respiratoire - Google Patents

Masque respiratoire

Info

Publication number
CA481290A
CA481290A CA481290A CA481290DA CA481290A CA 481290 A CA481290 A CA 481290A CA 481290 A CA481290 A CA 481290A CA 481290D A CA481290D A CA 481290DA CA 481290 A CA481290 A CA 481290A
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
CA481290A
Other languages
English (en)
Inventor
D. Hill 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 CA481290A publication Critical patent/CA481290A/fr
Expired legal-status Critical Current

Links

CA481290A Masque respiratoire Expired CA481290A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA481290T

Publications (1)

Publication Number Publication Date
CA481290A true CA481290A (fr) 1952-02-26

Family

ID=35620977

Family Applications (1)

Application Number Title Priority Date Filing Date
CA481290A Expired CA481290A (fr) Masque respiratoire

Country Status (1)

Country Link
CA (1) CA481290A (fr)

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