FR848148A - Gas filter - Google Patents

Gas filter

Info

Publication number
FR848148A
FR848148A FR848148DA FR848148A FR 848148 A FR848148 A FR 848148A FR 848148D A FR848148D A FR 848148DA FR 848148 A FR848148 A FR 848148A
Authority
FR
France
Prior art keywords
gas filter
filter
gas
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.)
CHEMA
Original Assignee
CHEMA
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 CHEMA filed Critical CHEMA
Application granted granted Critical
Publication of FR848148A publication Critical patent/FR848148A/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)
FR848148D 1938-08-08 1938-12-29 Gas filter Expired FR848148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS848148X 1938-08-08

Publications (1)

Publication Number Publication Date
FR848148A true FR848148A (en) 1939-10-24

Family

ID=5456106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848148D Expired FR848148A (en) 1938-08-08 1938-12-29 Gas filter

Country Status (1)

Country Link
FR (1) FR848148A (en)

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