CA396662A - Signalling system - Google Patents

Signalling system

Info

Publication number
CA396662A
CA396662A CA396662A CA396662DA CA396662A CA 396662 A CA396662 A CA 396662A CA 396662 A CA396662 A CA 396662A CA 396662D A CA396662D A CA 396662DA CA 396662 A CA396662 A CA 396662A
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
CA396662A
Other languages
French (fr)
Inventor
Calhoun Free
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA396662A publication Critical patent/CA396662A/en
Expired legal-status Critical Current

Links

CA396662A Signalling system Expired CA396662A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA396662T

Publications (1)

Publication Number Publication Date
CA396662A true CA396662A (en) 1941-05-20

Family

ID=35404092

Family Applications (1)

Application Number Title Priority Date Filing Date
CA396662A Expired CA396662A (en) Signalling system

Country Status (1)

Country Link
CA (1) CA396662A (en)

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