CA129079A - Electrical signalling system - Google Patents

Electrical signalling system

Info

Publication number
CA129079A
CA129079A CA000129079A CA129079DA CA129079A CA 129079 A CA129079 A CA 129079A CA 000129079 A CA000129079 A CA 000129079A CA 129079D A CA129079D A CA 129079DA CA 129079 A CA129079 A CA 129079A
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
CA000129079A
Other languages
French (fr)
Inventor
Albert Goldstein
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 ELECTRIC PROTECTION Co
Original Assignee
INTERNATIONAL ELECTRIC PROTECTION Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by INTERNATIONAL ELECTRIC PROTECTION Co filed Critical INTERNATIONAL ELECTRIC PROTECTION Co
Application granted granted Critical
Publication of CA129079A publication Critical patent/CA129079A/en
Expired legal-status Critical Current

Links

CA000129079A 1910-06-20 1910-06-20 Electrical signalling system Expired CA129079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA129079T 1910-06-20

Publications (1)

Publication Number Publication Date
CA129079A true CA129079A (en) 1910-11-08

Family

ID=45248800

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000129079A Expired CA129079A (en) 1910-06-20 1910-06-20 Electrical signalling system

Country Status (1)

Country Link
CA (1) CA129079A (en)

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