FR949195A - Improvements to respiratory masks - Google Patents

Improvements to respiratory masks

Info

Publication number
FR949195A
FR949195A FR949195DA FR949195A FR 949195 A FR949195 A FR 949195A FR 949195D A FR949195D A FR 949195DA FR 949195 A FR949195 A FR 949195A
Authority
FR
France
Prior art keywords
respiratory masks
masks
respiratory
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
Georges-Louis Ravault
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.)
D'ETUDES DE FABRICATION ET D'EXPLOITATION D'APPAREILS SCIENTIFIQUES Ste
Original Assignee
D'ETUDES DE FABRICATION ET D'EXPLOITATION D'APPAREILS SCIENTIFIQUES Ste
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 D'ETUDES DE FABRICATION ET D'EXPLOITATION D'APPAREILS SCIENTIFIQUES Ste filed Critical D'ETUDES DE FABRICATION ET D'EXPLOITATION D'APPAREILS SCIENTIFIQUES Ste
Application granted granted Critical
Publication of FR949195A publication Critical patent/FR949195A/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
    • A62B18/025—Halfmasks
FR949195D 1947-07-04 1947-07-04 Improvements to respiratory masks Expired FR949195A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR949195T 1947-07-04

Publications (1)

Publication Number Publication Date
FR949195A true FR949195A (en) 1949-08-23

Family

ID=9474447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR949195D Expired FR949195A (en) 1947-07-04 1947-07-04 Improvements to respiratory masks

Country Status (1)

Country Link
FR (1) FR949195A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1184646B (en) * 1961-05-15 1964-12-31 Draegerwerk Ag Respirator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1184646B (en) * 1961-05-15 1964-12-31 Draegerwerk Ag Respirator

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