CA422883A - Appareil d'appels telephoniques - Google Patents

Appareil d'appels telephoniques

Info

Publication number: CA422883A
Authority: CA; Canada
Prior art keywords: telephone calling; calling apparatus; telephone; calling
Prior art date: 1944-09-26
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

CA422883A

Other languages

Inventor

Ernest Lomax Clarence

Original Assignee

Automatic Electric Laboratories Inc

Associated Telephone and Telegraph Co

Publication date

1944-09-26

1944-09-26 Application granted granted Critical

1944-09-26 Publication of CA422883A publication Critical patent/CA422883A/fr

Status Expired legal-status Critical Current

CA422883A Appareil d'appels telephoniques Expired CA422883A (fr)

Application Number	Priority Date	Filing Date	Title
CA422883T

Publication Number	Publication Date
CA422883A true CA422883A (fr)	1944-09-26

Application Number	Title	Priority Date	Filing Date
CA422883A Expired CA422883A (fr)			Appareil d'appels telephoniques

Country	Link
CA (1)	CA422883A (fr)

Publication	Publication Date	Title
CA422883A (fr)	1944-09-26	Appareil d'appels telephoniques
CA422194A (fr)	1944-08-22	Dispositif d'appels telephoniques
CA424750A (fr)	1944-12-26	Dispositif d'appels telephoniques
CA423185A (fr)	1944-10-10	Appareil de sous-station telephonique
CA424238A (fr)	1944-12-05	Appareil de sous-poste telephonique
CA419622A (fr)	1944-04-11	Cadran de telephone
AU130219B2 (en)	1948-12-09	Telephone exchange apparatus
CA423458A (fr)	1944-10-24	Dispositif transmetteur des appels telephoniques
CA417943A (fr)	1944-01-25	Systeme telephonique
CA418315A (fr)	1944-02-08	Systeme telephonique
CA418339A (fr)	1944-02-08	Systeme telephonique
CA418615A (fr)	1944-02-22	Systeme telephonique
CA418617A (fr)	1944-02-22	Systeme telephonique
CA419526A (fr)	1944-04-11	Systeme telephonique
CA420335A (fr)	1944-05-23	Systeme telephonique
CA420570A (fr)	1944-05-30	Systeme telephonique
CA420937A (fr)	1944-06-20	Systeme telephonique
CA420938A (fr)	1944-06-20	Systeme telephonique
CA421423A (fr)	1944-07-11	Systeme telephonique
CA421424A (fr)	1944-07-11	Systeme telephonique
CA421771A (fr)	1944-08-01	Systeme telephonique
CA422031A (fr)	1944-08-08	Systeme telephonique
CA422193A (fr)	1944-08-22	Systeme telephonique
CA422195A (fr)	1944-08-22	Systeme telephonique
CA422286A (fr)	1944-08-22	Systeme telephonique