CA447178A - Signalling apparatus - Google Patents

Signalling apparatus

Info

Publication number
CA447178A
CA447178A CA447178A CA447178DA CA447178A CA 447178 A CA447178 A CA 447178A CA 447178 A CA447178 A CA 447178A CA 447178D A CA447178D A CA 447178DA CA 447178 A CA447178 A CA 447178A
Authority
CA
Canada
Prior art keywords
signalling apparatus
signalling
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
CA447178A
Other languages
French (fr)
Inventor
B. Armistead Allan
M. Francis Joseph
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 CA447178A publication Critical patent/CA447178A/en
Expired legal-status Critical Current

Links

CA447178A Signalling apparatus Expired CA447178A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA447178T

Publications (1)

Publication Number Publication Date
CA447178A true CA447178A (en) 1948-03-09

Family

ID=35564857

Family Applications (1)

Application Number Title Priority Date Filing Date
CA447178A Expired CA447178A (en) Signalling apparatus

Country Status (1)

Country Link
CA (1) CA447178A (en)

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