BE368001A - - Google Patents

Info

Publication number
BE368001A
BE368001A BE368001DA BE368001A BE 368001 A BE368001 A BE 368001A BE 368001D A BE368001D A BE 368001DA BE 368001 A BE368001 A BE 368001A
Authority
BE
Belgium
Prior art keywords
washer
disc
telephone
hygiene device
earpiece
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE368001A publication Critical patent/BE368001A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/12Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
BE368001D BE368001A (https=)

Publications (1)

Publication Number Publication Date
BE368001A true BE368001A (https=)

Family

ID=39885

Family Applications (1)

Application Number Title Priority Date Filing Date
BE368001D BE368001A (https=)

Country Status (1)

Country Link
BE (1) BE368001A (https=)

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