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FR860622A - Ear protection against the effects of explosions, bombardments and asphyxiating gases - Google Patents

Ear protection against the effects of explosions, bombardments and asphyxiating gases

Info

Publication number
FR860622A
FR860622A FR860622DA FR860622A FR 860622 A FR860622 A FR 860622A FR 860622D A FR860622D A FR 860622DA FR 860622 A FR860622 A FR 860622A
Authority
FR
France
Prior art keywords
bombardments
explosions
effects
protection against
ear protection
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)
Inventor
Henri Brociner
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 FR860622A publication Critical patent/FR860622A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Psychology (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
FR860622D 1939-10-05 1939-10-05 Ear protection against the effects of explosions, bombardments and asphyxiating gases Expired FR860622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR860622T 1939-10-05

Publications (1)

Publication Number Publication Date
FR860622A true FR860622A (en) 1941-01-20

Family

ID=9334750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR860622D Expired FR860622A (en) 1939-10-05 1939-10-05 Ear protection against the effects of explosions, bombardments and asphyxiating gases

Country Status (1)

Country Link
FR (1) FR860622A (en)

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