CA386497A - Reseau telephonique - Google Patents

Reseau telephonique

Info

Publication number: CA386497A
Authority: CA; Canada
Prior art keywords: telephone system; telephone
Prior art date: 1940-01-23
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

CA386497A

Other languages

Inventor

Sigford Peterson Edward

Original Assignee

Northern Electric Co Ltd

Publication date

1940-01-23

1940-01-23 Application granted granted Critical

1940-01-23 Publication of CA386497A publication Critical patent/CA386497A/fr

Status Expired legal-status Critical Current

CA386497A Reseau telephonique Expired CA386497A (fr)

Application Number	Priority Date	Filing Date	Title
CA386497T

Publication Number	Publication Date
CA386497A true CA386497A (fr)	1940-01-23

Application Number	Title	Priority Date	Filing Date
CA386497A Expired CA386497A (fr)			Reseau telephonique

Country	Link
CA (1)	CA386497A (fr)

Publication	Publication Date	Title
CA386497A (fr)	1940-01-23	Reseau telephonique
CA386496A (fr)	1940-01-23	Reseau telephonique
CA390877A (fr)	1940-08-20	Systeme telephonique
CA389910A (fr)	1940-07-09	Telephone combine
CA390395A (fr)	1940-07-30	Systeme de communication
CA386297A (fr)	1940-01-16	Systeme telephonique automatique
CA386223A (fr)	1940-01-09	Systeme telegraphique
AU112801B2 (en)	1941-01-09	Improvements relating to telephone systems
AU112307B2 (en)	1941-01-23	Improvements in telephone systems
AU112373B2 (en)	1941-01-30	Improvements in telephone systems
AU112728B2 (en)	1941-03-27	Improvements in telephone systems
AU113289B2 (en)	1941-06-26	Improvements in telephone systems
AU119295B2 (en)	1944-12-14	Improvements in telephone systems
CA399200A (fr)	1941-09-09	Systeme telephonique
CA401008A (fr)	1941-11-25	Systeme telephonique
CA397941A (fr)	1941-07-15	Systeme telephonique
CA398184A (fr)	1941-07-22	Systeme telephonique
CA394870A (fr)	1941-02-25	Systeme telephonique
CA401611A (fr)	1941-12-23	Systeme telephonique
CA398253A (fr)	1941-07-29	Systeme telephonique
CA398255A (fr)	1941-07-29	Systeme telephonique
CA398256A (fr)	1941-07-29	Systeme telephonique
CA398569A (fr)	1941-08-12	Systeme telephonique
CA398988A (fr)	1941-09-02	Systeme telephonique
CA394866A (fr)	1941-02-25	Systeme telephonique