CA373049A - Electrical signalling system - Google Patents

Electrical signalling system

Info

Publication number
CA373049A
CA373049A CA373049A CA373049DA CA373049A CA 373049 A CA373049 A CA 373049A CA 373049 A CA373049 A CA 373049A CA 373049D A CA373049D A CA 373049DA CA 373049 A CA373049 A CA 373049A
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
CA373049A
Other languages
French (fr)
Inventor
Limb Frederick
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.)
Ericsson Telephones Ltd
Original Assignee
Ericsson Telephones Ltd
Publication date
Application granted granted Critical
Publication of CA373049A publication Critical patent/CA373049A/en
Expired legal-status Critical Current

Links

CA373049A Electrical signalling system Expired CA373049A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA373049T

Publications (1)

Publication Number Publication Date
CA373049A true CA373049A (en) 1938-04-12

Family

ID=35377372

Family Applications (1)

Application Number Title Priority Date Filing Date
CA373049A Expired CA373049A (en) Electrical signalling system

Country Status (1)

Country Link
CA (1) CA373049A (en)

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