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FR630835A - Antiseptic device for telephone use - Google Patents

Antiseptic device for telephone use

Info

Publication number
FR630835A
FR630835A FR630835DA FR630835A FR 630835 A FR630835 A FR 630835A FR 630835D A FR630835D A FR 630835DA FR 630835 A FR630835 A FR 630835A
Authority
FR
France
Prior art keywords
telephone use
antiseptic device
antiseptic
telephone
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
Gaston Maniot
Hubert Govaerts
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 FR630835A publication Critical patent/FR630835A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/12—Sanitary 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)
FR630835D 1926-08-09 1926-08-09 Antiseptic device for telephone use Expired FR630835A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR630835T 1926-08-09

Publications (1)

Publication Number Publication Date
FR630835A true FR630835A (en) 1927-12-09

Family

ID=8991355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR630835D Expired FR630835A (en) 1926-08-09 1926-08-09 Antiseptic device for telephone use

Country Status (1)

Country Link
FR (1) FR630835A (en)

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