CA318923A - Signalling system - Google Patents

Signalling system

Info

Publication number
CA318923A
CA318923A CA318923A CA318923DA CA318923A CA 318923 A CA318923 A CA 318923A CA 318923 A CA318923 A CA 318923A CA 318923D A CA318923D A CA 318923DA CA 318923 A CA318923 A CA 318923A
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
CA318923A
Other languages
French (fr)
Inventor
Edelmann Otto
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 CA318923A publication Critical patent/CA318923A/en
Expired legal-status Critical Current

Links

CA318923A Signalling system Expired CA318923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA318923T

Publications (1)

Publication Number Publication Date
CA318923A true CA318923A (en) 1932-01-12

Family

ID=35279478

Family Applications (1)

Application Number Title Priority Date Filing Date
CA318923A Expired CA318923A (en) Signalling system

Country Status (1)

Country Link
CA (1) CA318923A (en)

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