FR632110A - Microphone pour horlogers - Google Patents

Microphone pour horlogers

Info

Publication number
FR632110A
FR632110A FR632110DA FR632110A FR 632110 A FR632110 A FR 632110A FR 632110D A FR632110D A FR 632110DA FR 632110 A FR632110 A FR 632110A
Authority
FR
France
Prior art keywords
watchmakers
microphone
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
Nicolas Leiterer
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 FR632110A publication Critical patent/FR632110A/fr
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
    • A61F11/30—Non-electric hearing aids, e.g. ear trumpets, sound amplifiers or ear-shells

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)
FR632110D 1926-10-14 1926-10-14 Microphone pour horlogers Expired FR632110A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR632110T 1926-10-14

Publications (1)

Publication Number Publication Date
FR632110A true FR632110A (fr) 1928-01-04

Family

ID=8992307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR632110D Expired FR632110A (fr) 1926-10-14 1926-10-14 Microphone pour horlogers

Country Status (1)

Country Link
FR (1) FR632110A (fr)

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