CA432788A - Respirateur - Google Patents

Respirateur

Info

Publication number
CA432788A
CA432788A CA432788A CA432788DA CA432788A CA 432788 A CA432788 A CA 432788A CA 432788 A CA432788 A CA 432788A CA 432788D A CA432788D A CA 432788DA CA 432788 A CA432788 A CA 432788A
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
CA432788A
Other languages
English (en)
Inventor
J. Joyce 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.)
American Optical Corp
Original Assignee
American Optical Corp
Publication date
Application granted granted Critical
Publication of CA432788A publication Critical patent/CA432788A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
CA432788A Respirateur Expired CA432788A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA432788T

Publications (1)

Publication Number Publication Date
CA432788A true CA432788A (fr) 1946-01-29

Family

ID=210245

Family Applications (1)

Application Number Title Priority Date Filing Date
CA432788A Expired CA432788A (fr) Respirateur

Country Status (1)

Country Link
CA (1) CA432788A (fr)

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