FR769989A - Gas protection method and device - Google Patents

Gas protection method and device

Info

Publication number
FR769989A
FR769989A FR769989DA FR769989A FR 769989 A FR769989 A FR 769989A FR 769989D A FR769989D A FR 769989DA FR 769989 A FR769989 A FR 769989A
Authority
FR
France
Prior art keywords
protection method
gas protection
gas
protection
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
Kresser Hubert
Creuze Pierre
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 FR769989A publication Critical patent/FR769989A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR769989D 1933-06-01 1933-06-01 Gas protection method and device Expired FR769989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR769989T 1933-06-01

Publications (1)

Publication Number Publication Date
FR769989A true FR769989A (en) 1934-09-05

Family

ID=9185063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR769989D Expired FR769989A (en) 1933-06-01 1933-06-01 Gas protection method and device

Country Status (1)

Country Link
FR (1) FR769989A (en)

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