CA899461A - Electrical signalling system - Google Patents

Electrical signalling system

Info

Publication number
CA899461A
CA899461A CA899461A CA899461DA CA899461A CA 899461 A CA899461 A CA 899461A CA 899461 A CA899461 A CA 899461A CA 899461D A CA899461D A CA 899461DA CA 899461 A CA899461 A CA 899461A
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
CA899461A
Inventor
W. L. Deitenbach Friedrich
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA899461A publication Critical patent/CA899461A/en
Expired legal-status Critical Current

Links

CA899461A Electrical signalling system Expired CA899461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA899461T

Publications (1)

Publication Number Publication Date
CA899461A true CA899461A (en) 1972-05-02

Family

ID=36405318

Family Applications (1)

Application Number Title Priority Date Filing Date
CA899461A Expired CA899461A (en) Electrical signalling system

Country Status (1)

Country Link
CA (1) CA899461A (en)

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