CA284002A - Interrupteur de signal lumineux - Google Patents

Interrupteur de signal lumineux

Info

Publication number
CA284002A
CA284002A CA284002A CA284002DA CA284002A CA 284002 A CA284002 A CA 284002A CA 284002 A CA284002 A CA 284002A CA 284002D A CA284002D A CA 284002DA CA 284002 A CA284002 A CA 284002A
Authority
CA
Canada
Prior art keywords
light signal
signal switch
switch
light
signal
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
CA284002A
Other languages
English (en)
Inventor
R. Mckerlie William
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 CA284002A publication Critical patent/CA284002A/fr
Expired legal-status Critical Current

Links

CA284002A Interrupteur de signal lumineux Expired CA284002A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA284002T

Publications (1)

Publication Number Publication Date
CA284002A true CA284002A (fr) 1928-10-16

Family

ID=35217093

Family Applications (1)

Application Number Title Priority Date Filing Date
CA284002A Expired CA284002A (fr) Interrupteur de signal lumineux

Country Status (1)

Country Link
CA (1) CA284002A (fr)

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