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FR728142A - Respiratory Device Improvements - Google Patents

Respiratory Device Improvements

Info

Publication number
FR728142A
FR728142A FR728142DA FR728142A FR 728142 A FR728142 A FR 728142A FR 728142D A FR728142D A FR 728142DA FR 728142 A FR728142 A FR 728142A
Authority
FR
France
Prior art keywords
respiratory device
device 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 FR728142A publication Critical patent/FR728142A/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

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR728142D 1931-10-14 1931-12-11 Respiratory Device Improvements Expired FR728142A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB728142X 1931-10-14

Publications (1)

Publication Number Publication Date
FR728142A true FR728142A (en) 1932-06-29

Family

ID=10495382

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728142D Expired FR728142A (en) 1931-10-14 1931-12-11 Respiratory Device Improvements

Country Status (1)

Country Link
FR (1) FR728142A (en)

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