FR864948A - Ventouse d'aération de sécurité - Google Patents

Ventouse d'aération de sécurité

Info

Publication number
FR864948A
FR864948A FR864948DA FR864948A FR 864948 A FR864948 A FR 864948A FR 864948D A FR864948D A FR 864948DA FR 864948 A FR864948 A FR 864948A
Authority
FR
France
Prior art keywords
safety ventilation
ventilation cup
cup
safety
ventilation
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)
Inventor
Otto Jack
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 FR864948A publication Critical patent/FR864948A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B13/00—Special devices for ventilating gasproof shelters

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR864948D 1939-12-28 1939-12-28 Ventouse d'aération de sécurité Expired FR864948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR864948T 1939-12-28

Publications (1)

Publication Number Publication Date
FR864948A true FR864948A (fr) 1941-05-08

Family

ID=9344103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864948D Expired FR864948A (fr) 1939-12-28 1939-12-28 Ventouse d'aération de sécurité

Country Status (1)

Country Link
FR (1) FR864948A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1228515B (de) * 1964-11-28 1966-11-10 Anton Piller K G Rueckschlagventil fuer Entlueftungsleitungen von Schutzbauten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1228515B (de) * 1964-11-28 1966-11-10 Anton Piller K G Rueckschlagventil fuer Entlueftungsleitungen von Schutzbauten

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