FR720767A - Filter box for breathing apparatus or other applications, and its charging method - Google Patents

Filter box for breathing apparatus or other applications, and its charging method

Info

Publication number
FR720767A
FR720767A FR720767DA FR720767A FR 720767 A FR720767 A FR 720767A FR 720767D A FR720767D A FR 720767DA FR 720767 A FR720767 A FR 720767A
Authority
FR
France
Prior art keywords
applications
filter box
charging method
breathing apparatus
breathing
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
Maurice Fernez
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 FR720767A publication Critical patent/FR720767A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR720767D 1930-11-03 1930-11-03 Filter box for breathing apparatus or other applications, and its charging method Expired FR720767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR720767T 1930-11-03

Publications (1)

Publication Number Publication Date
FR720767A true FR720767A (en) 1932-02-24

Family

ID=9094668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720767D Expired FR720767A (en) 1930-11-03 1930-11-03 Filter box for breathing apparatus or other applications, and its charging method

Country Status (1)

Country Link
FR (1) FR720767A (en)

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