FR943544A - Perfectionnements aux moyens propres à permettre la respiration en milieux chargésd'impuretés, telles les atmosphères de mines et analogues - Google Patents

Perfectionnements aux moyens propres à permettre la respiration en milieux chargésd'impuretés, telles les atmosphères de mines et analogues

Info

Publication number
FR943544A
FR943544A FR943544DA FR943544A FR 943544 A FR943544 A FR 943544A FR 943544D A FR943544D A FR 943544DA FR 943544 A FR943544 A FR 943544A
Authority
FR
France
Prior art keywords
impurities
means suitable
allowing breathing
atmospheres
mine
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
Robert Colinet
Andre Dupont
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 FR943544A publication Critical patent/FR943544A/fr
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00Respiratory apparatus

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR943544D 1946-08-14 1947-03-24 Perfectionnements aux moyens propres à permettre la respiration en milieux chargésd'impuretés, telles les atmosphères de mines et analogues Expired FR943544A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE943544X 1946-08-14

Publications (1)

Publication Number Publication Date
FR943544A true FR943544A (fr) 1949-03-10

Family

ID=3888615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943544D Expired FR943544A (fr) 1946-08-14 1947-03-24 Perfectionnements aux moyens propres à permettre la respiration en milieux chargésd'impuretés, telles les atmosphères de mines et analogues

Country Status (1)

Country Link
FR (1) FR943544A (fr)

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