IT954780B - Maschera filtrante - Google Patents

Maschera filtrante

Info

Publication number
IT954780B
IT954780B IT6830272A IT6830272A IT954780B IT 954780 B IT954780 B IT 954780B IT 6830272 A IT6830272 A IT 6830272A IT 6830272 A IT6830272 A IT 6830272A IT 954780 B IT954780 B IT 954780B
Authority
IT
Italy
Prior art keywords
filtering mask
mask
filtering
Prior art date
Application number
IT6830272A
Other languages
English (en)
Original Assignee
Giffard L
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
Priority claimed from FR7115347A external-priority patent/FR2135798A5/fr
Priority claimed from FR7211235A external-priority patent/FR2178394A6/fr
Application filed by Giffard L filed Critical Giffard L
Application granted granted Critical
Publication of IT954780B publication Critical patent/IT954780B/it

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
    • A62B18/02—Masks
    • A62B18/025—Halfmasks

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
IT6830272A 1971-04-29 1972-04-27 Maschera filtrante IT954780B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7115347A FR2135798A5 (it) 1971-04-29 1971-04-29
FR7211235A FR2178394A6 (it) 1972-03-30 1972-03-30

Publications (1)

Publication Number Publication Date
IT954780B true IT954780B (it) 1973-09-15

Family

ID=26216361

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6830272A IT954780B (it) 1971-04-29 1972-04-27 Maschera filtrante

Country Status (6)

Country Link
AU (1) AU4149772A (it)
BE (1) BE781773A (it)
DE (1) DE2217327A1 (it)
GB (1) GB1376031A (it)
IT (1) IT954780B (it)
NL (1) NL7204920A (it)

Also Published As

Publication number Publication date
NL7204920A (it) 1972-10-31
GB1376031A (en) 1974-12-04
BE781773A (fr) 1972-07-31
DE2217327A1 (de) 1972-11-09
AU4149772A (en) 1973-11-01

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