FR781883A - Further development of filter cartridges, for example for breathing apparatus - Google Patents

Further development of filter cartridges, for example for breathing apparatus

Info

Publication number
FR781883A
FR781883A FR781883DA FR781883A FR 781883 A FR781883 A FR 781883A FR 781883D A FR781883D A FR 781883DA FR 781883 A FR781883 A FR 781883A
Authority
FR
France
Prior art keywords
further development
breathing apparatus
filter cartridges
cartridges
filter
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
Rene Wasterlain
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 FR781883A publication Critical patent/FR781883A/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)
FR781883D 1934-11-23 1934-11-26 Further development of filter cartridges, for example for breathing apparatus Expired FR781883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE781883X 1934-11-23

Publications (1)

Publication Number Publication Date
FR781883A true FR781883A (en) 1935-05-23

Family

ID=3880449

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781883D Expired FR781883A (en) 1934-11-23 1934-11-26 Further development of filter cartridges, for example for breathing apparatus

Country Status (1)

Country Link
FR (1) FR781883A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3243943A (en) * 1964-06-15 1966-04-05 American Air Filter Co Unit filter construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3243943A (en) * 1964-06-15 1966-04-05 American Air Filter Co Unit filter construction

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