CA454136A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA454136A
CA454136A CA454136A CA454136DA CA454136A CA 454136 A CA454136 A CA 454136A CA 454136 A CA454136 A CA 454136A CA 454136D A CA454136D A CA 454136DA CA 454136 A CA454136 A CA 454136A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA454136A
Other languages
English (en)
Inventor
E. Griffins Morris
E. Peterson Seth
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA454136A publication Critical patent/CA454136A/fr
Expired legal-status Critical Current

Links

CA454136A Systeme telephonique Expired CA454136A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA454136T

Publications (1)

Publication Number Publication Date
CA454136A true CA454136A (fr) 1949-01-18

Family

ID=35571869

Family Applications (1)

Application Number Title Priority Date Filing Date
CA454136A Expired CA454136A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA454136A (fr)

Similar Documents

Publication Publication Date Title
CA459993A (fr) Systeme telephonique
CA458674A (fr) Systeme telephonique
CA453798A (fr) Systeme telephonique
CA455720A (fr) Systeme telephonique
CA456764A (fr) Systeme telephonique
CA457823A (fr) Systeme telephonique
CA457980A (fr) Systeme telephonique
CA460236A (fr) Systeme telephonique
CA459026A (fr) Systeme telephonique
CA461789A (fr) Systeme telephonique
CA454334A (fr) Systeme telephonique
CA454136A (fr) Systeme telephonique
CA459027A (fr) Systeme telephonique
CA460752A (fr) Systeme de telecommunication
CA456997A (fr) Accessoire pour base de monotelephone
AU148169B2 (en) Telephone set
CA455983A (fr) Systeme de telephones haut-parleurs
CA456582A (fr) Manipulateur pour systeme de telecommunication
CA456763A (fr) Systeme de communication
CA457376A (fr) Systeme de communication
CA459021A (fr) Systeme de communication
CA459347A (fr) Dispositif indicateur d'appels telephoniques
CA455024A (fr) Systeme de central telephonique
CA460237A (fr) Systeme de telephone automatique
CA456451A (fr) Systeme de telephone automatique