CA548744A - Systemes de telephone automatique - Google Patents

Systemes de telephone automatique

Info

Publication number: CA548744A
Authority: CA; Canada
Prior art keywords: telephone systems; automatic telephone; automatic; systems; telephone
Prior art date: 1957-11-12
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

CA548744A

Other languages

Inventor

A. Chubb Alexander

Original Assignee

General Electric Company PLC

Publication date

1957-11-12

1957-11-12 Application granted granted Critical

1957-11-12 Publication of CA548744A publication Critical patent/CA548744A/fr

Status Expired legal-status Critical Current

CA548744A Systemes de telephone automatique Expired CA548744A (fr)

Application Number	Priority Date	Filing Date	Title
CA548744T

Publication Number	Publication Date
CA548744A true CA548744A (fr)	1957-11-12

Application Number	Title	Priority Date	Filing Date
CA548744A Expired CA548744A (fr)			Systemes de telephone automatique

Country	Link
CA (1)	CA548744A (fr)

Publication	Publication Date	Title
CA543117A (fr)	1957-07-02	Systeme d'atterrissage automatique
CA548744A (fr)	1957-11-12	Systemes de telephone automatique
CA543973A (fr)	1957-07-23	Systeme de telephone automatique
CA537790A (fr)	1957-03-05	Systeme de telecommunication automatique
CA537068A (fr)	1957-02-12	Systemes automatiques d'echange de telephone
CA546387A (fr)	1957-09-17	Systemes de telephone
CA539700A (fr)	1957-04-16	Systemes telephoniques
CA546624A (fr)	1957-09-24	Systemes de telephone
CA538498A (fr)	1957-03-19	Systemes telephoniques
CA532449A (fr)	1956-10-30	Systemes de telephone automatique
CA524054A (fr)	1956-04-17	Systemes de telephone automatique
CA543974A (fr)	1957-07-23	Systeme de manoeuvre de telephone automatique
AU226423B2 (en)	1958-01-16	Improvements relating to automatic telephone systems
CA567448A (fr)	1958-12-16	Systemes de telephone automatique
CA557106A (fr)	1958-05-06	Systemes de telephone automatique
CA562242A (fr)	1958-08-26	Systeme de telephone automatique
CA569198A (fr)	1959-01-20	Systemes de telephone automatique
CA578982A (fr)	1959-07-07	Systemes de telephone automatique
CA583278A (fr)	1959-09-15	Systemes de telephone automatique
CA584006A (fr)	1959-09-29	Systemes de telephone automatique
CA584178A (fr)	1959-09-29	Systemes de telephone automatique
CA585771A (fr)	1959-10-27	Systemes de telephone automatique
CA586768A (fr)	1959-11-10	Systemes de telephone automatique
CA587624A (fr)	1959-11-24	Systemes de telephone automatique
CA544753A (fr)	1957-08-13	Systeme de telephone automatique a barre de traverse