CA371517A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number: CA371517A
Authority: CA; Canada
Prior art keywords: signalling system; signalling
Prior art date: 1938-01-25
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

CA371517A

Other languages

English (en)

Inventor

Robert Gray Cecil

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.)

AT&T Inc

Original Assignee

Western Electric Co Inc

Publication date

1938-01-25

1938-01-25 Application granted granted Critical

1938-01-25 Publication of CA371517A publication Critical patent/CA371517A/fr

Status Expired legal-status Critical Current

Links

CA371517A Systeme de signalisation Expired CA371517A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA371517T

Publications (1)

Publication Number	Publication Date
CA371517A true CA371517A (fr)	1938-01-25

Family

ID=35372582

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA371517A Expired CA371517A (fr)			Systeme de signalisation

Country Status (1)

Country	Link
CA (1)	CA371517A (fr)

0
- CA CA371517A patent/CA371517A/fr not_active Expired

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