CA482722A - Appareil de protection de trafic - Google Patents

Appareil de protection de trafic

Info

Publication number: CA482722A
Authority: CA; Canada
Prior art keywords: protection apparatus; traffic protection; traffic; protection
Prior art date: 1952-04-22
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

CA482722A

Other languages

English (en)

Inventor

H. Broadbent John

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.)

Hitachi Rail STS USA Inc

Original Assignee

Union Switch and Signal Inc

Publication date

1952-04-22

1952-04-22 Application granted granted Critical

1952-04-22 Publication of CA482722A publication Critical patent/CA482722A/fr

Status Expired legal-status Critical Current

Links

CA482722A Appareil de protection de trafic Expired CA482722A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA482722T

Publications (1)

Publication Number	Publication Date
CA482722A true CA482722A (fr)	1952-04-22

Family

ID=35622413

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA482722A Expired CA482722A (fr)			Appareil de protection de trafic

Country Status (1)

Country	Link
CA (1)	CA482722A (fr)

0
- CA CA482722A patent/CA482722A/fr not_active Expired

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