FR882233A - Masque anti-poussières - Google Patents

Masque anti-poussières

Info

Publication number
FR882233A
FR882233A FR882233DA FR882233A FR 882233 A FR882233 A FR 882233A FR 882233D A FR882233D A FR 882233DA FR 882233 A FR882233 A FR 882233A
Authority
FR
France
Prior art keywords
dust mask
mask
dust
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)
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.)
DOCTEUR ANDRE LEOPOLD OLIVIER
Original Assignee
DOCTEUR ANDRE LEOPOLD OLIVIER
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 DOCTEUR ANDRE LEOPOLD OLIVIER filed Critical DOCTEUR ANDRE LEOPOLD OLIVIER
Application granted granted Critical
Publication of FR882233A publication Critical patent/FR882233A/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
    • A62B18/003—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 having means for creating a fresh air curtain

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR882233D 1941-05-10 1942-05-21 Masque anti-poussières Expired FR882233A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE882233X 1941-05-10

Publications (1)

Publication Number Publication Date
FR882233A true FR882233A (fr) 1943-05-21

Family

ID=3883826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR882233D Expired FR882233A (fr) 1941-05-10 1942-05-21 Masque anti-poussières

Country Status (1)

Country Link
FR (1) FR882233A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686976A (en) * 1984-11-28 1987-08-18 Bakkila Charles A Safety mask

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686976A (en) * 1984-11-28 1987-08-18 Bakkila Charles A Safety mask

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