FR781060A - Improvements to filtration devices for breathing apparatus - Google Patents

Improvements to filtration devices for breathing apparatus

Info

Publication number
FR781060A
FR781060A FR781060DA FR781060A FR 781060 A FR781060 A FR 781060A FR 781060D A FR781060D A FR 781060DA FR 781060 A FR781060 A FR 781060A
Authority
FR
France
Prior art keywords
breathing apparatus
filtration devices
filtration
devices
breathing
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
Other languages
French (fr)
Inventor
Fernez Andre Maurice
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 filed Critical
Application granted granted Critical
Publication of FR781060A publication Critical patent/FR781060A/en
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)
FR781060D 1934-01-29 1934-01-29 Improvements to filtration devices for breathing apparatus Expired FR781060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR781060T 1934-01-29

Publications (1)

Publication Number Publication Date
FR781060A true FR781060A (en) 1935-05-08

Family

ID=9206937

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781060D Expired FR781060A (en) 1934-01-29 1934-01-29 Improvements to filtration devices for breathing apparatus

Country Status (1)

Country Link
FR (1) FR781060A (en)

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