CA476594A - Systemes de signalisation - Google Patents

Systemes de signalisation

Info

Publication number: CA476594A
Authority: CA; Canada
Prior art keywords: signaling systems; signaling; systems
Prior art date: 1951-08-28
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

CA476594A

Other languages

English (en)

Inventor

H. Duhnkrack George

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 Corp

Original Assignee

Western Electric Co Inc

Publication date

1951-08-28

1951-08-28 Application granted granted Critical

1951-08-28 Publication of CA476594A publication Critical patent/CA476594A/fr

Status Expired legal-status Critical Current

Links

CA476594A Systemes de signalisation Expired CA476594A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA476594T

Publications (1)

Publication Number	Publication Date
CA476594A true CA476594A (fr)	1951-08-28

Family

ID=35616224

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA476594A Expired CA476594A (fr)			Systemes de signalisation

Country Status (1)

Country	Link
CA (1)	CA476594A (fr)

0
- CA CA476594A patent/CA476594A/fr not_active Expired

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