FR50979E - Gas filter - Google Patents

Gas filter

Info

Publication number
FR50979E
FR50979E FR50979DA FR50979E FR 50979 E FR50979 E FR 50979E FR 50979D A FR50979D A FR 50979DA FR 50979 E FR50979 E FR 50979E
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 FR50979E publication Critical patent/FR50979E/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)
FR50979D 1939-03-07 1939-03-07 Gas filter Expired FR50979E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR50979T 1939-03-07

Publications (1)

Publication Number Publication Date
FR50979E true FR50979E (en) 1941-05-19

Family

ID=8685911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR50979D Expired FR50979E (en) 1939-03-07 1939-03-07 Gas filter

Country Status (1)

Country Link
FR (1) FR50979E (en)

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