CA449628A - Circuit de sous-centrale telephonique - Google Patents

Circuit de sous-centrale telephonique

Info

Publication number: CA449628A
Authority: CA; Canada
Prior art keywords: substation circuit; telephone substation; telephone; circuit; substation
Prior art date: 1948-07-06
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

CA449628A

Other languages

Inventor

H. Herrick Roswell

Original Assignee

Automatic Electric Laboratories Inc

Publication date

1948-07-06

1948-07-06 Application granted granted Critical

1948-07-06 Publication of CA449628A publication Critical patent/CA449628A/fr

Status Expired legal-status Critical Current

CA449628A Circuit de sous-centrale telephonique Expired CA449628A (fr)

Application Number	Priority Date	Filing Date	Title
CA449628T

Publication Number	Publication Date
CA449628A true CA449628A (fr)	1948-07-06

Application Number	Title	Priority Date	Filing Date
CA449628A Expired CA449628A (fr)			Circuit de sous-centrale telephonique

Country	Link
CA (1)	CA449628A (fr)

Publication	Publication Date	Title
CA449628A (fr)	1948-07-06	Circuit de sous-centrale telephonique
CA453453A (fr)	1948-12-21	Interrupteur sous coffret
CA446115A (fr)	1948-01-13	Circuit telephonique
CA452407A (fr)	1948-11-02	Circuit telephonique
CA446508A (fr)	1948-02-03	Circuit de sous-central
CA453061A (fr)	1948-11-30	Circuit de poste telephonique
CA448558A (fr)	1948-05-18	Interrupteur
AU146393B2 (en)	1948-10-14	Subscriber telephone set circuit
CA445444A (fr)	1947-12-09	Circuit de sous-centrale telephonique
CA452362A (fr)	1948-11-02	Circuit a impulsion
CA446110A (fr)	1948-01-13	Disjoncteur
CA446468A (fr)	1948-01-27	Disjoncteur
CA446739A (fr)	1948-02-17	Disjoncteur
CA447257A (fr)	1948-03-16	Interrupteur
CA447259A (fr)	1948-03-16	Interrupteur
CA451194A (fr)	1948-09-14	Interrupteur
CA452290A (fr)	1948-11-02	Interrupteur
CA453152A (fr)	1948-12-07	Interrupteur
CA453451A (fr)	1948-12-21	Interrupteur
CA446507A (fr)	1948-02-03	Appareil de telephone
CA450147A (fr)	1948-07-27	Agencement de circuit electrique
CA448416A (fr)	1948-05-11	Circuit electrique
CA446988A (fr)	1948-03-02	Interrupteur de circuit
CA447252A (fr)	1948-03-16	Rupteur de circuit
CA447800A (fr)	1948-04-13	Coupe-circuit a fusible