CA430764A - Systeme de signalisation electrique - Google Patents

Systeme de signalisation electrique

Info

Publication number: CA430764A
Authority: CA; Canada
Prior art keywords: signalling system; electrical signalling; electrical; signalling
Prior art date: 1945-10-23
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

CA430764A

Other languages

English (en)

Inventor

Norton Roseby Philip

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Automatic Telephone and Electric Co Ltd

Original Assignee

Automatic Telephone and Electric Co Ltd

Publication date

1945-10-23

1945-10-23 Application granted granted Critical

1945-10-23 Publication of CA430764A publication Critical patent/CA430764A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA430764A Systeme de signalisation electrique Expired CA430764A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA430764T

Publications (1)

Publication Number	Publication Date
CA430764A true CA430764A (fr)	1945-10-23

Family

ID=35545793

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA430764A Expired CA430764A (fr)			Systeme de signalisation electrique

Country Status (1)

Country	Link
CA (1)	CA430764A (fr)

0
- CA CA430764A patent/CA430764A/fr not_active Expired

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