FR875941A - - Google Patents

Info

Publication number
FR875941A
FR875941A FR875941DA FR875941A FR 875941 A FR875941 A FR 875941A FR 875941D A FR875941D A FR 875941DA FR 875941 A FR875941 A FR 875941A
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
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR875941A publication Critical patent/FR875941A/fr
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)
FR875941D Expired FR875941A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
FR875941A true FR875941A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1942-10-16

Family

ID=1555863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875941D Expired FR875941A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
FR (1) FR875941A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689048A (en) * 1950-01-11 1954-09-14 Milton A Powers Refillable filter
US3030302A (en) * 1960-04-25 1962-04-17 Fram Corp Filter of sintered metal fibers and method of making the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689048A (en) * 1950-01-11 1954-09-14 Milton A Powers Refillable filter
US3030302A (en) * 1960-04-25 1962-04-17 Fram Corp Filter of sintered metal fibers and method of making the same

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