FR828783A - Improvements to gas masks - Google Patents

Improvements to gas masks

Info

Publication number
FR828783A
FR828783A FR828783DA FR828783A FR 828783 A FR828783 A FR 828783A FR 828783D A FR828783D A FR 828783DA FR 828783 A FR828783 A FR 828783A
Authority
FR
France
Prior art keywords
gas masks
masks
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 FR828783A publication Critical patent/FR828783A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/04—Couplings; Supporting frames

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR828783D 1937-02-01 1937-02-01 Improvements to gas masks Expired FR828783A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR828783T 1937-02-01

Publications (1)

Publication Number Publication Date
FR828783A true FR828783A (en) 1938-05-30

Family

ID=9283890

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828783D Expired FR828783A (en) 1937-02-01 1937-02-01 Improvements to gas masks

Country Status (1)

Country Link
FR (1) FR828783A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2766723A1 (en) * 1997-07-31 1999-02-05 Ti France Breathing mask for toxic environments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2766723A1 (en) * 1997-07-31 1999-02-05 Ti France Breathing mask for toxic environments

Similar Documents

Publication Publication Date Title
FR840303A (en) Gas turbines
FR872646A (en) Improvements to gas turbines
FR782137A (en) Improvements to gas masks
FR807328A (en) Improvements to gas filters
FR828783A (en) Improvements to gas masks
FR859715A (en) Improvements to gas masks
FR825135A (en) Improvements to gas barometers
FR840153A (en) Improvements to gas masks
FR737725A (en) Improvements to gas masks
FR838138A (en) Gas mask
FR848268A (en) Improvements to gas masks
FR831668A (en) Advanced gas mask
FR46547E (en) Improvements to gas filters
FR859868A (en) Improvements to gas masks
FR858825A (en) Improvements to gas masks
FR51401E (en) Improvements to gas masks
FR843953A (en) Improvements to gas masks
FR50117E (en) Improvements to gas masks
FR827747A (en) Improvements to gas scrubbers
FR826057A (en) Improvement in gas masks
FR828785A (en) Improvement in gas masks
FR840403A (en) Improvements to gas turbines
FR46880E (en) Improvements to gas masks
FR785542A (en) Improvements to gas masks
FR801988A (en) Improvements to gas masks