FR546686A - Filtre-air - Google Patents

Filtre-air

Info

Publication number
FR546686A
FR546686A FR546686DA FR546686A FR 546686 A FR546686 A FR 546686A FR 546686D A FR546686D A FR 546686DA FR 546686 A FR546686 A FR 546686A
Authority
FR
France
Prior art keywords
air filter
filter
air
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
Themistocle De Lusi
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 FR546686A publication Critical patent/FR546686A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR546686D 1921-12-21 1921-12-21 Filtre-air Expired FR546686A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR546686T 1921-12-21

Publications (1)

Publication Number Publication Date
FR546686A true FR546686A (fr) 1922-11-21

Family

ID=8933691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR546686D Expired FR546686A (fr) 1921-12-21 1921-12-21 Filtre-air

Country Status (1)

Country Link
FR (1) FR546686A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0286016A1 (fr) * 1987-04-04 1988-10-12 Drägerwerk Aktiengesellschaft Filtre antipoussières en forme d'un demi-masque
US4941467A (en) * 1988-04-19 1990-07-17 Danzaburo Takata Humidification face mask

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0286016A1 (fr) * 1987-04-04 1988-10-12 Drägerwerk Aktiengesellschaft Filtre antipoussières en forme d'un demi-masque
US4941467A (en) * 1988-04-19 1990-07-17 Danzaburo Takata Humidification face mask

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