FR767023A - - Google Patents

Info

Publication number
FR767023A
FR767023A FR767023DA FR767023A FR 767023 A FR767023 A FR 767023A FR 767023D A FR767023D A FR 767023DA FR 767023 A FR767023 A FR 767023A
Authority
FR
France
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
Publication date
Application granted granted Critical
Publication of FR767023A publication Critical patent/FR767023A/fr
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00Filters for breathing-protection purposes

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR767023D Expired FR767023A (fr)

Publications (1)

Publication Number Publication Date
FR767023A true FR767023A (fr) 1934-07-06

Family

ID=1551395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR767023D Expired FR767023A (fr)

Country Status (1)

Country Link
FR (1) FR767023A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE913855C (de) * 1939-01-11 1954-06-21 Draegerwerk Ag Filtereinsatz fuer Schutzraumbeluefter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE913855C (de) * 1939-01-11 1954-06-21 Draegerwerk Ag Filtereinsatz fuer Schutzraumbeluefter

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