FR425764A - Masque respiratoire - Google Patents

Masque respiratoire

Info

Publication number
FR425764A
FR425764A FR425764DA FR425764A FR 425764 A FR425764 A FR 425764A FR 425764D A FR425764D A FR 425764DA FR 425764 A FR425764 A FR 425764A
Authority
FR
France
Prior art keywords
respiratory mask
respiratory
mask
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
Georges-Louis-Marie-Robert Le Grand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEORGES LOUIS MARIE ROBERT LE
Original Assignee
GEORGES LOUIS MARIE ROBERT LE
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 by GEORGES LOUIS MARIE ROBERT LE filed Critical GEORGES LOUIS MARIE ROBERT LE
Application granted granted Critical
Publication of FR425764A publication Critical patent/FR425764A/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
    • A62B18/02—Masks
    • A62B18/025—Halfmasks

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)
FR425764D 1911-02-07 1911-02-07 Masque respiratoire Expired FR425764A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR425764T 1911-02-07

Publications (1)

Publication Number Publication Date
FR425764A true FR425764A (fr) 1911-06-20

Family

ID=1468395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR425764D Expired FR425764A (fr) 1911-02-07 1911-02-07 Masque respiratoire

Country Status (1)

Country Link
FR (1) FR425764A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082767A (en) * 1961-05-05 1963-03-26 Welsh Mfg Co Head straps for respirator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082767A (en) * 1961-05-05 1963-03-26 Welsh Mfg Co Head straps for respirator

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