CA301960A - Signalling system - Google Patents

Signalling system

Info

Publication number
CA301960A
CA301960A CA301960A CA301960DA CA301960A CA 301960 A CA301960 A CA 301960A CA 301960 A CA301960 A CA 301960A CA 301960D A CA301960D A CA 301960DA CA 301960 A CA301960 A CA 301960A
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
CA301960A
Other languages
French (fr)
Inventor
T. Burton Everett
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 CA301960A publication Critical patent/CA301960A/en
Expired legal-status Critical Current

Links

CA301960A Signalling system Expired CA301960A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA301960T

Publications (1)

Publication Number Publication Date
CA301960A true CA301960A (en) 1930-07-08

Family

ID=35255106

Family Applications (1)

Application Number Title Priority Date Filing Date
CA301960A Expired CA301960A (en) Signalling system

Country Status (1)

Country Link
CA (1) CA301960A (en)

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