CA526554A - Systemes de telephone automatique du type echelonne - Google Patents

Systemes de telephone automatique du type echelonne

Info

Publication number: CA526554A
Authority: CA; Canada
Prior art keywords: telephone systems; automatic telephone; type; step type; automatic
Prior art date: 1956-06-19
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

CA526554A

Other languages

Inventor

A. Morris Frank

Original Assignee

General Dynamics Corp

Publication date

1956-06-19

1956-06-19 Application granted granted Critical

1956-06-19 Publication of CA526554A publication Critical patent/CA526554A/fr

Status Expired legal-status Critical Current

CA526554A Systemes de telephone automatique du type echelonne Expired CA526554A (fr)

Application Number	Priority Date	Filing Date	Title
CA526554T

Publication Number	Publication Date
CA526554A true CA526554A (fr)	1956-06-19

Application Number	Title	Priority Date	Filing Date
CA526554A Expired CA526554A (fr)			Systemes de telephone automatique du type echelonne

Country	Link
CA (1)	CA526554A (fr)

Publication	Publication Date	Title
CA526554A (fr)	1956-06-19	Systemes de telephone automatique du type echelonne
CA580092A (fr)	1959-07-21	Systemes de commutateur
CA524054A (fr)	1956-04-17	Systemes de telephone automatique
CA532449A (fr)	1956-10-30	Systemes de telephone automatique
CA530442A (fr)	1956-09-18	Systemes de telecommunication
CA532978A (fr)	1956-11-13	Systemes de telecommunication
CA524631A (fr)	1956-05-01	Systemes de telephone
CA521394A (fr)	1956-01-31	Systemes de telephone
CA521856A (fr)	1956-02-14	Systemes de telephone
CA522332A (fr)	1956-03-06	Systemes de telephone
CA524594A (fr)	1956-05-01	Systemes de telephone
CA525662A (fr)	1956-05-29	Systemes telephoniques
CA530739A (fr)	1956-09-25	Systemes telephoniques
CA533592A (fr)	1956-11-20	Systemes telephoniques
CA521518A (fr)	1956-02-07	Systeme de telephone automatique
CA523499A (fr)	1956-04-03	Systeme de telephone automatique
CA525903A (fr)	1956-06-05	Systeme de telephone automatique
CA527080A (fr)	1956-07-03	Systeme de reponse pour telephone
CA526324A (fr)	1956-06-12	Systemes de telephone automatique a relais
CA548744A (fr)	1957-11-12	Systemes de telephone automatique
CA529214A (fr)	1956-08-14	Localiseur graduel de ligne pour bureau de telephone
CA533984A (fr)	1956-12-04	Systeme de telephone
CA530322A (fr)	1956-09-11	Systemes automatiques d'echange de telephone
CA530323A (fr)	1956-09-11	Systemes automatiques d'echange de telephone
CA537068A (fr)	1957-02-12	Systemes automatiques d'echange de telephone