FR680660A - Respiratory System Improvements - Google Patents

Respiratory System Improvements

Info

Publication number
FR680660A
FR680660A FR680660DA FR680660A FR 680660 A FR680660 A FR 680660A FR 680660D A FR680660D A FR 680660DA FR 680660 A FR680660 A FR 680660A
Authority
FR
France
Prior art keywords
respiratory system
system improvements
respiratory
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
Robert Henry Davis
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 FR680660A publication Critical patent/FR680660A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/02—Respiratory apparatus with compressed oxygen or air

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR680660D 1929-05-21 1929-08-22 Respiratory System Improvements Expired FR680660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB680660X 1929-05-21

Publications (1)

Publication Number Publication Date
FR680660A true FR680660A (en) 1930-05-05

Family

ID=10492423

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680660D Expired FR680660A (en) 1929-05-21 1929-08-22 Respiratory System Improvements

Country Status (1)

Country Link
FR (1) FR680660A (en)

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