CA460237A - Systeme de telephone automatique - Google Patents

Systeme de telephone automatique

Info

Publication number
CA460237A
CA460237A CA460237A CA460237DA CA460237A CA 460237 A CA460237 A CA 460237A CA 460237 A CA460237 A CA 460237A CA 460237D A CA460237D A CA 460237DA CA 460237 A CA460237 A CA 460237A
Authority
CA
Canada
Prior art keywords
telephone system
automatic telephone
automatic
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
CA460237A
Other languages
English (en)
Inventor
Thomas Baker George
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA460237A publication Critical patent/CA460237A/fr
Expired legal-status Critical Current

Links

CA460237A Systeme de telephone automatique Expired CA460237A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA460237T

Publications (1)

Publication Number Publication Date
CA460237A true CA460237A (fr) 1949-10-11

Family

ID=35589908

Family Applications (1)

Application Number Title Priority Date Filing Date
CA460237A Expired CA460237A (fr) Systeme de telephone automatique

Country Status (1)

Country Link
CA (1) CA460237A (fr)

Similar Documents

Publication Publication Date Title
CA460237A (fr) Systeme de telephone automatique
CA456451A (fr) Systeme de telephone automatique
CA457207A (fr) Systeme de telephone automatique
CA461318A (fr) Systeme de telephone automatique
CA453798A (fr) Systeme telephonique
CA454136A (fr) Systeme telephonique
CA454334A (fr) Systeme telephonique
CA455720A (fr) Systeme telephonique
CA456764A (fr) Systeme telephonique
CA457823A (fr) Systeme telephonique
CA457980A (fr) Systeme telephonique
CA458674A (fr) Systeme telephonique
CA459026A (fr) Systeme telephonique
CA459027A (fr) Systeme telephonique
CA459993A (fr) Systeme telephonique
CA460236A (fr) Systeme telephonique
CA461789A (fr) Systeme telephonique
CA460752A (fr) Systeme de telecommunication
CA458362A (fr) Systeme de manoeuvre automatique
CA456582A (fr) Manipulateur pour systeme de telecommunication
CA459772A (fr) Signet automatique
CA455983A (fr) Systeme de telephones haut-parleurs
CA448462A (fr) Systeme automatique de telephone
CA451181A (fr) Systeme de telephone automatique
CA460113A (fr) Systeme de telecommunication a central automatique