FR826057A - Improvement in gas masks - Google Patents

Improvement in gas masks

Info

Publication number
FR826057A
FR826057A FR826057DA FR826057A FR 826057 A FR826057 A FR 826057A FR 826057D A FR826057D A FR 826057DA FR 826057 A FR826057 A FR 826057A
Authority
FR
France
Prior art keywords
improvement
gas masks
masks
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
French (fr)
Inventor
Marcel Adrien Armand Albert
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 FR826057A publication Critical patent/FR826057A/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
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR826057D 1937-08-27 1937-08-27 Improvement in gas masks Expired FR826057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR826057T 1937-08-27

Publications (1)

Publication Number Publication Date
FR826057A true FR826057A (en) 1938-03-22

Family

ID=9282651

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826057D Expired FR826057A (en) 1937-08-27 1937-08-27 Improvement in gas masks

Country Status (1)

Country Link
FR (1) FR826057A (en)

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