CA481868A - Appareil de protection de trafic - Google Patents

Appareil de protection de trafic

Info

Publication number: CA481868A
Authority: CA; Canada
Prior art keywords: protection apparatus; traffic protection; traffic; protection
Prior art date: 1952-03-18
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

CA481868A

Other languages

English (en)

Inventor

G. Witmer Harold

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

1952-03-18

1952-03-18 Application granted granted Critical

1952-03-18 Publication of CA481868A publication Critical patent/CA481868A/fr

Status Expired legal-status Critical Current

Links

CA481868A Appareil de protection de trafic Expired CA481868A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA481868T

Publications (1)

Publication Number	Publication Date
CA481868A true CA481868A (fr)	1952-03-18

Family

ID=35621556

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA481868A Expired CA481868A (fr)			Appareil de protection de trafic

Country Status (1)

Country	Link
CA (1)	CA481868A (fr)

0
- CA CA481868A patent/CA481868A/fr not_active Expired

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