FR833235A - Device for testing and checking protective devices against harmful or impure atmospheres - Google Patents

Device for testing and checking protective devices against harmful or impure atmospheres

Info

Publication number
FR833235A
FR833235A FR833235DA FR833235A FR 833235 A FR833235 A FR 833235A FR 833235D A FR833235D A FR 833235DA FR 833235 A FR833235 A FR 833235A
Authority
FR
France
Prior art keywords
impure
atmospheres
testing
protective devices
against harmful
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
Le Gall Camille Ernest
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 FR833235A publication Critical patent/FR833235A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B27/00Methods or devices for testing respiratory or breathing apparatus for high altitudes

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR833235D 1937-06-10 1937-06-10 Device for testing and checking protective devices against harmful or impure atmospheres Expired FR833235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR833235T 1937-06-10

Publications (1)

Publication Number Publication Date
FR833235A true FR833235A (en) 1938-10-17

Family

ID=9296452

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833235D Expired FR833235A (en) 1937-06-10 1937-06-10 Device for testing and checking protective devices against harmful or impure atmospheres

Country Status (1)

Country Link
FR (1) FR833235A (en)

Similar Documents

Publication Publication Date Title
FR1148737A (en) Device for transmitting audio-frequency signals and lower-frequency signals over the same line
FR50972E (en) Protective device for the knees or elbows of minors and other persons
FR833235A (en) Device for testing and checking protective devices against harmful or impure atmospheres
FR764014A (en) Safety device for nuts and screw heads
FR72702E (en) Protective and lubricating device for bearings and bearings
FR887583A (en) Safety device for container valve intended in particular for protective breathing apparatus
FR837769A (en) Switch device or explosion-proof switch
FR845999A (en) Protective devices for electrical devices
FR832915A (en) Protective device for presses and the like
FR833478A (en) Protection device for electrical devices
FR807708A (en) Protection device for machines and devices subjected to high nominal currents
FR51056E (en) Devices for testing and checking protective devices against gases, fumes, vapors, etc.
FR868368A (en) Protective device for electrical devices insulated in compressed air
FR648122A (en) Differential protective device for machines and electrical devices
FR717267A (en) Device for protecting the edges of glasses and containers
FR863236A (en) Device for testing and checking protective devices against gases, fumes, vapors, etc.
FR888518A (en) Cooling device for transformers and similar devices
FR740557A (en) Protective device for breastplates
FR835532A (en) Needle protection device for sound reproducing devices
FR830394A (en) Watertight, instantaneous and tamper-proof connection device
FR822330A (en) Safety device for blocking valves
FR1158500A (en) Protective device for measuring equipment crews
FR852806A (en) Safety device intended in particular for the protection of premises
FR826074A (en) Protection device for two-way winders
FR869785A (en) Protective device for carburetors