FR44845E - Process for the manufacture of smoke filters or collective filters - Google Patents

Process for the manufacture of smoke filters or collective filters

Info

Publication number
FR44845E
FR44845E FR44845DA FR44845E FR 44845 E FR44845 E FR 44845E FR 44845D A FR44845D A FR 44845DA FR 44845 E FR44845 E FR 44845E
Authority
FR
France
Prior art keywords
filters
manufacture
collective
smoke
smoke filters
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.)
HAERENS TEKNISKE KORPS
Original Assignee
HAERENS TEKNISKE KORPS
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 HAERENS TEKNISKE KORPS filed Critical HAERENS TEKNISKE KORPS
Application granted granted Critical
Publication of FR44845E publication Critical patent/FR44845E/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B21/00—Devices for producing oxygen from chemical substances for respiratory apparatus

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR44845D 1934-03-27 1934-03-27 Process for the manufacture of smoke filters or collective filters Expired FR44845E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR44845T 1934-03-27

Publications (1)

Publication Number Publication Date
FR44845E true FR44845E (en) 1935-04-15

Family

ID=8680641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44845D Expired FR44845E (en) 1934-03-27 1934-03-27 Process for the manufacture of smoke filters or collective filters

Country Status (1)

Country Link
FR (1) FR44845E (en)

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