CA298709A - Signalling system - Google Patents

Signalling system

Info

Publication number
CA298709A
CA298709A CA298709A CA298709DA CA298709A CA 298709 A CA298709 A CA 298709A CA 298709 A CA298709 A CA 298709A CA 298709D A CA298709D A CA 298709DA CA 298709 A CA298709 A CA 298709A
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
CA298709A
Other languages
French (fr)
Inventor
B. Long Maurice
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA298709A publication Critical patent/CA298709A/en
Expired legal-status Critical Current

Links

CA298709A Signalling system Expired CA298709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA298709T

Publications (1)

Publication Number Publication Date
CA298709A true CA298709A (en) 1930-03-25

Family

ID=35236028

Family Applications (1)

Application Number Title Priority Date Filing Date
CA298709A Expired CA298709A (en) Signalling system

Country Status (1)

Country Link
CA (1) CA298709A (en)

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