FR793843A - Masque à gaz perfectionné - Google Patents

Masque à gaz perfectionné

Info

Publication number
FR793843A
FR793843A FR793843DA FR793843A FR 793843 A FR793843 A FR 793843A FR 793843D A FR793843D A FR 793843DA FR 793843 A FR793843 A FR 793843A
Authority
FR
France
Prior art keywords
gas mask
advanced gas
advanced
mask
gas
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
English (en)
Inventor
Wilfred Dawson
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 FR793843A publication Critical patent/FR793843A/fr
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
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/10—Valves

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR793843D 1934-09-25 1935-08-16 Masque à gaz perfectionné Expired FR793843A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB793843X 1934-09-25

Publications (1)

Publication Number Publication Date
FR793843A true FR793843A (fr) 1936-02-01

Family

ID=10509006

Family Applications (1)

Application Number Title Priority Date Filing Date
FR793843D Expired FR793843A (fr) 1934-09-25 1935-08-16 Masque à gaz perfectionné

Country Status (1)

Country Link
FR (1) FR793843A (fr)

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