FR821677A - Muffler or earplugs - Google Patents

Muffler or earplugs

Info

Publication number
FR821677A
FR821677A FR821677DA FR821677A FR 821677 A FR821677 A FR 821677A FR 821677D A FR821677D A FR 821677DA FR 821677 A FR821677 A FR 821677A
Authority
FR
France
Prior art keywords
earplugs
muffler
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
Prevot Marcel
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 FR821677A publication Critical patent/FR821677A/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
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs

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)
FR821677D 1937-05-10 1937-05-10 Muffler or earplugs Expired FR821677A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR821677T 1937-05-10

Publications (1)

Publication Number Publication Date
FR821677A true FR821677A (en) 1937-12-10

Family

ID=9278031

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821677D Expired FR821677A (en) 1937-05-10 1937-05-10 Muffler or earplugs

Country Status (1)

Country Link
FR (1) FR821677A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016055547A1 (en) * 2014-10-10 2016-04-14 Bachmaier Gmbh & Co. Kg Passive hearing protector, ear mould equipped therewith and method for the production thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016055547A1 (en) * 2014-10-10 2016-04-14 Bachmaier Gmbh & Co. Kg Passive hearing protector, ear mould equipped therewith and method for the production thereof

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