CA450618A - Railway traffic controlling apparatus - Google Patents

Railway traffic controlling apparatus

Info

Publication number
CA450618A
CA450618A CA450618A CA450618DA CA450618A CA 450618 A CA450618 A CA 450618A CA 450618 A CA450618 A CA 450618A CA 450618D A CA450618D A CA 450618DA CA 450618 A CA450618 A CA 450618A
Authority
CA
Canada
Prior art keywords
controlling apparatus
railway traffic
traffic controlling
railway
traffic
Prior art date
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
CA450618A
Other languages
French (fr)
Inventor
W. Hays Thomas
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
Application granted granted Critical
Publication of CA450618A publication Critical patent/CA450618A/en
Expired legal-status Critical Current

Links

CA450618A Railway traffic controlling apparatus Expired CA450618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA450618T

Publications (1)

Publication Number Publication Date
CA450618A true CA450618A (en) 1948-08-17

Family

ID=35568338

Family Applications (1)

Application Number Title Priority Date Filing Date
CA450618A Expired CA450618A (en) Railway traffic controlling apparatus

Country Status (1)

Country Link
CA (1) CA450618A (en)

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