FR420767A - Phones disinfection process - Google Patents

Phones disinfection process

Info

Publication number
FR420767A
FR420767A FR420767DA FR420767A FR 420767 A FR420767 A FR 420767A FR 420767D A FR420767D A FR 420767DA FR 420767 A FR420767 A FR 420767A
Authority
FR
France
Prior art keywords
phones
disinfection process
disinfection
phones disinfection
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
Edouard Anquetil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EDOUARD ANQUETIL
Original Assignee
EDOUARD ANQUETIL
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 EDOUARD ANQUETIL filed Critical EDOUARD ANQUETIL
Application granted granted Critical
Publication of FR420767A publication Critical patent/FR420767A/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)
FR420767D 1910-09-26 1910-09-26 Phones disinfection process Expired FR420767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR420767T 1910-09-26

Publications (1)

Publication Number Publication Date
FR420767A true FR420767A (en) 1911-02-07

Family

ID=1463875

Family Applications (1)

Application Number Title Priority Date Filing Date
FR420767D Expired FR420767A (en) 1910-09-26 1910-09-26 Phones disinfection process

Country Status (1)

Country Link
FR (1) FR420767A (en)

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