FR772640A - Perfectionnements aux cartouches filtrantes - Google Patents

Perfectionnements aux cartouches filtrantes

Info

Publication number
FR772640A
FR772640A FR772640DA FR772640A FR 772640 A FR772640 A FR 772640A FR 772640D A FR772640D A FR 772640DA FR 772640 A FR772640 A FR 772640A
Authority
FR
France
Prior art keywords
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
English (en)
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.)
MATERIEL DE PROT D ET CONST
Original Assignee
MATERIEL DE PROT D ET CONST
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 MATERIEL DE PROT D ET CONST filed Critical MATERIEL DE PROT D ET CONST
Application granted granted Critical
Publication of FR772640A publication Critical patent/FR772640A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR772640D 1933-07-31 1933-07-31 Perfectionnements aux cartouches filtrantes Expired FR772640A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR772640T 1933-07-31

Publications (1)

Publication Number Publication Date
FR772640A true FR772640A (fr) 1934-11-02

Family

ID=9194900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR772640D Expired FR772640A (fr) 1933-07-31 1933-07-31 Perfectionnements aux cartouches filtrantes

Country Status (1)

Country Link
FR (1) FR772640A (fr)

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