CA219135A - Systeme de signaux - Google Patents

Systeme de signaux

Info

Publication number
CA219135A
CA219135A CA219135A CA219135DA CA219135A CA 219135 A CA219135 A CA 219135A CA 219135 A CA219135 A CA 219135A CA 219135D A CA219135D A CA 219135DA CA 219135 A CA219135 A CA 219135A
Authority
CA
Canada
Prior art keywords
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
CA219135A
Other languages
English (en)
Inventor
F. Farrington John
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.)
INTERNATIONAL WESTERN ELECTRIC Co
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA219135A publication Critical patent/CA219135A/fr
Expired legal-status Critical Current

Links

CA219135A Systeme de signaux Expired CA219135A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA219135T

Publications (1)

Publication Number Publication Date
CA219135A true CA219135A (fr) 1922-05-30

Family

ID=35113579

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219135A Expired CA219135A (fr) Systeme de signaux

Country Status (1)

Country Link
CA (1) CA219135A (fr)

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