FR828784A - Refinements to gas mask filter cartridges - Google Patents

Refinements to gas mask filter cartridges

Info

Publication number
FR828784A
FR828784A FR828784DA FR828784A FR 828784 A FR828784 A FR 828784A FR 828784D A FR828784D A FR 828784DA FR 828784 A FR828784 A FR 828784A
Authority
FR
France
Prior art keywords
refinements
filter cartridges
gas mask
mask filter
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
Bourcey Emile Frederic
Bourcey Rene Isidore
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 FR828784A publication Critical patent/FR828784A/en
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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR828784D 1937-02-01 1937-02-01 Refinements to gas mask filter cartridges Expired FR828784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR828784T 1937-02-01

Publications (1)

Publication Number Publication Date
FR828784A true FR828784A (en) 1938-05-30

Family

ID=9283891

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828784D Expired FR828784A (en) 1937-02-01 1937-02-01 Refinements to gas mask filter cartridges

Country Status (1)

Country Link
FR (1) FR828784A (en)

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