FR44252E - Improvements to cartridges or filter boxes for gaseous fluids and arsines - Google Patents

Improvements to cartridges or filter boxes for gaseous fluids and arsines

Info

Publication number
FR44252E
FR44252E FR44252DA FR44252E FR 44252 E FR44252 E FR 44252E FR 44252D A FR44252D A FR 44252DA FR 44252 E FR44252 E FR 44252E
Authority
FR
France
Prior art keywords
arsines
cartridges
gaseous fluids
filter boxes
boxes
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Champion & Cie Ets
Original Assignee
Champion & Cie Ets
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 by Champion & Cie Ets filed Critical Champion & Cie Ets
Application granted granted Critical
Publication of FR44252E publication Critical patent/FR44252E/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)
FR44252D 1933-05-20 1933-05-20 Improvements to cartridges or filter boxes for gaseous fluids and arsines Expired FR44252E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR44252T 1933-05-20

Publications (1)

Publication Number Publication Date
FR44252E true FR44252E (en) 1934-12-13

Family

ID=8680098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44252D Expired FR44252E (en) 1933-05-20 1933-05-20 Improvements to cartridges or filter boxes for gaseous fluids and arsines

Country Status (1)

Country Link
FR (1) FR44252E (en)

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