CA218019A - Signalling system - Google Patents

Signalling system

Info

Publication number
CA218019A
CA218019A CA218019A CA218019DA CA218019A CA 218019 A CA218019 A CA 218019A CA 218019 A CA218019 A CA 218019A CA 218019D A CA218019D A CA 218019DA CA 218019 A CA218019 A CA 218019A
Authority
CA
Canada
Prior art keywords
signalling system
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
CA218019A
Other languages
French (fr)
Inventor
W. Kuhn 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.)
INTERNATIONAL WESTERN ELECTRIC CO
Original Assignee
INTERNATIONAL WESTERN ELECTRIC CO
Publication date
Application granted granted Critical
Publication of CA218019A publication Critical patent/CA218019A/en
Expired legal-status Critical Current

Links

CA218019A Signalling system Expired CA218019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA218019T

Publications (1)

Publication Number Publication Date
CA218019A true CA218019A (en) 1922-04-25

Family

ID=35112463

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218019A Expired CA218019A (en) Signalling system

Country Status (1)

Country Link
CA (1) CA218019A (en)

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