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FR728140A - Respiratory System Improvements - Google Patents

Respiratory System Improvements

Info

Publication number
FR728140A
FR728140A FR728140DA FR728140A FR 728140 A FR728140 A FR 728140A FR 728140D A FR728140D A FR 728140DA FR 728140 A FR728140 A FR 728140A
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 FR728140A publication Critical patent/FR728140A/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

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR728140D 1931-10-12 1931-12-11 Respiratory System Improvements Expired FR728140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB728140X 1931-10-12

Publications (1)

Publication Number Publication Date
FR728140A true FR728140A (en) 1932-06-29

Family

ID=10495380

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728140D Expired FR728140A (en) 1931-10-12 1931-12-11 Respiratory System Improvements

Country Status (1)

Country Link
FR (1) FR728140A (en)

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