FR714958A - Appareils destinés à aseptiser les combinés téléphoniques - Google Patents

Appareils destinés à aseptiser les combinés téléphoniques

Info

Publication number
FR714958A
FR714958A FR714958DA FR714958A FR 714958 A FR714958 A FR 714958A FR 714958D A FR714958D A FR 714958DA FR 714958 A FR714958 A FR 714958A
Authority
FR
France
Prior art keywords
sanitizing
telephone handsets
handsets
telephone
sanitizing 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
English (en)
Inventor
Jean Chauvin
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 FR714958A publication Critical patent/FR714958A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
FR714958D 1931-04-08 1931-04-08 Appareils destinés à aseptiser les combinés téléphoniques Expired FR714958A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR714958T 1931-04-08

Publications (1)

Publication Number Publication Date
FR714958A true FR714958A (fr) 1931-11-23

Family

ID=9088669

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714958D Expired FR714958A (fr) 1931-04-08 1931-04-08 Appareils destinés à aseptiser les combinés téléphoniques

Country Status (1)

Country Link
FR (1) FR714958A (fr)

Similar Documents

Publication Publication Date Title
FR756725A (fr) Répétiteur téléphonique
FR770529A (fr) écrans protecteurs pour appareils téléphoniques
FR714958A (fr) Appareils destinés à aseptiser les combinés téléphoniques
FR713651A (fr) Siphon perfectionné
FR740234A (fr) Appareils basculeurs
CH152826A (de) Haltevorrichtung für Seifenstücke.
FR713878A (fr) Commutateur des numéros pour appareils téléphoniques
FR40997E (fr) Coffret pour appareils électriques
DK46605C (da) Tarmrensningsapparat.
FR726398A (fr) Crible à main
FR736401A (fr) Machine parlante perfectionnée
FR720400A (fr) Compteur de communications téléphoniques
FR721007A (fr) Machine à calibrer
ES123174A1 (es) Aparato saturador.
FR711033A (fr) Siphon
DK46277C (da) Telefonapparat.
ES493Y (es) Dispositivo duchador.
ES124683A1 (es) Aparato fotocampímetro auto-registrador.
CA280255A (fr) Appareil telephonique
DK46014C (da) Fremgangsmaade og Anordning til Fremstilling af Skruer.
ES122981A1 (es) Perfeccionamientos en los aparatos acústicos.
FR710342A (fr) Interrupteur commutateur à commande coulissante
FR740224A (fr) Porte-savon à mâchoires
FI13708A (fi) Laite sahauskaavakkeiden laatimista varten
FR716566A (fr) Entonnoir