FI811996L - Hoerselskydd - Google Patents

Hoerselskydd

Info

Publication number
FI811996L
FI811996L FI811996A FI811996A FI811996L FI 811996 L FI811996 L FI 811996L FI 811996 A FI811996 A FI 811996A FI 811996 A FI811996 A FI 811996A FI 811996 L FI811996 L FI 811996L
Authority
FI
Finland
Prior art keywords
hoerselskydd
Prior art date
Application number
FI811996A
Other languages
English (en)
Inventor
Ernst David Ingemar Ohlsson
Sten Johann Ludwig Wolf
Original Assignee
Ernst David Ingemar Ohlsson
Sten Johann Ludwig Wolf
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 by Ernst David Ingemar Ohlsson, Sten Johann Ludwig Wolf filed Critical Ernst David Ingemar Ohlsson
Publication of FI811996L publication Critical patent/FI811996L/fi

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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Headphones And Earphones (AREA)
FI811996A 1980-06-25 1981-06-25 Hoerselskydd FI811996L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8004681A SE434909B (sv) 1980-06-25 1980-06-25 Horselskydd med selektivt arbetande ljudabsorbent

Publications (1)

Publication Number Publication Date
FI811996L true FI811996L (fi) 1981-12-26

Family

ID=20341292

Family Applications (1)

Application Number Title Priority Date Filing Date
FI811996A FI811996L (fi) 1980-06-25 1981-06-25 Hoerselskydd

Country Status (2)

Country Link
FI (1) FI811996L (fi)
SE (1) SE434909B (fi)

Also Published As

Publication number Publication date
SE434909B (sv) 1984-08-27
SE8004681L (sv) 1981-12-26

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: OHLSSON, ERNST DAVID INGEMAR

Owner name: WOLF, STEN JOHANN LUDWIG