DE285970C - - Google Patents

Info

Publication number
DE285970C
DE285970C DENDAT285970D DE285970DA DE285970C DE 285970 C DE285970 C DE 285970C DE NDAT285970 D DENDAT285970 D DE NDAT285970D DE 285970D A DE285970D A DE 285970DA DE 285970 C DE285970 C DE 285970C
Authority
DE
Germany
Prior art keywords
opening
earmuffs
sound
heat
ear
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.)
Active
Application number
DENDAT285970D
Other languages
German (de)
English (en)
Publication of DE285970C publication Critical patent/DE285970C/de
Active 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)
  • Biomedical Technology (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Psychology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Helmets And Other Head Coverings (AREA)
DENDAT285970D Active DE285970C (cs)

Publications (1)

Publication Number Publication Date
DE285970C true DE285970C (cs)

Family

ID=541328

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT285970D Active DE285970C (cs)

Country Status (1)

Country Link
DE (1) DE285970C (cs)

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