CA413330A - Electrical signalling system - Google Patents

Electrical signalling system

Info

Publication number
CA413330A
CA413330A CA413330A CA413330DA CA413330A CA 413330 A CA413330 A CA 413330A CA 413330 A CA413330 A CA 413330A CA 413330D A CA413330D A CA 413330DA CA 413330 A CA413330 A CA 413330A
Authority
CA
Canada
Prior art keywords
signalling system
electrical signalling
electrical
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
CA413330A
Other languages
French (fr)
Inventor
Bernard Mccusker Joseph
Bruno Dante Terroni Teseo
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA413330A publication Critical patent/CA413330A/en
Expired legal-status Critical Current

Links

CA413330A Electrical signalling system Expired CA413330A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA413330T

Publications (1)

Publication Number Publication Date
CA413330A true CA413330A (en) 1943-06-22

Family

ID=35522504

Family Applications (1)

Application Number Title Priority Date Filing Date
CA413330A Expired CA413330A (en) Electrical signalling system

Country Status (1)

Country Link
CA (1) CA413330A (en)

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