CA455024A - Systeme de central telephonique - Google Patents

Systeme de central telephonique

Info

Publication number
CA455024A
CA455024A CA455024A CA455024DA CA455024A CA 455024 A CA455024 A CA 455024A CA 455024 A CA455024 A CA 455024A CA 455024D A CA455024D A CA 455024DA CA 455024 A CA455024 A CA 455024A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
telephone
exchange
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
CA455024A
Other languages
English (en)
Inventor
Deakin Gerald
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA455024A publication Critical patent/CA455024A/fr
Expired legal-status Critical Current

Links

CA455024A Systeme de central telephonique Expired CA455024A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA455024T

Publications (1)

Publication Number Publication Date
CA455024A true CA455024A (fr) 1949-03-08

Family

ID=35572763

Family Applications (1)

Application Number Title Priority Date Filing Date
CA455024A Expired CA455024A (fr) Systeme de central telephonique

Country Status (1)

Country Link
CA (1) CA455024A (fr)

Similar Documents

Publication Publication Date Title
CA455024A (fr) Systeme de central telephonique
CA459026A (fr) Systeme telephonique
CA460236A (fr) Systeme telephonique
CA456764A (fr) Systeme telephonique
CA457980A (fr) Systeme telephonique
CA459993A (fr) Systeme telephonique
CA454136A (fr) Systeme telephonique
CA454334A (fr) Systeme telephonique
CA457823A (fr) Systeme telephonique
CA458674A (fr) Systeme telephonique
CA461789A (fr) Systeme telephonique
CA455720A (fr) Systeme telephonique
CA459027A (fr) Systeme telephonique
CA453798A (fr) Systeme telephonique
CA460752A (fr) Systeme de telecommunication
CA456763A (fr) Systeme de communication
CA457376A (fr) Systeme de communication
CA459021A (fr) Systeme de communication
CA456582A (fr) Manipulateur pour systeme de telecommunication
CA460113A (fr) Systeme de telecommunication a central automatique
CA455983A (fr) Systeme de telephones haut-parleurs
AU145514B2 (en) Telephonic switching system
CA458747A (fr) Systeme d'enregistrement pour telephone
AU148169B2 (en) Telephone set
CA453894A (fr) Systeme de telegraphe