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FR863815A - Improvement in gas masks - Google Patents

Improvement in gas masks

Info

Publication number
FR863815A
FR863815A FR863815DA FR863815A FR 863815 A FR863815 A FR 863815A FR 863815D A FR863815D A FR 863815DA FR 863815 A FR863815 A FR 863815A
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
Adolphe Gaetan Henri Moreau
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 FR863815A publication Critical patent/FR863815A/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
    • A62B18/006—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 with pumps for forced ventilation

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR863815D 1939-10-09 1939-10-09 Improvement in gas masks Expired FR863815A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863815T 1939-10-09

Publications (1)

Publication Number Publication Date
FR863815A true FR863815A (en) 1941-04-10

Family

ID=9343430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863815D Expired FR863815A (en) 1939-10-09 1939-10-09 Improvement in gas masks

Country Status (1)

Country Link
FR (1) FR863815A (en)

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