CA582804A - Signalling apparatus - Google Patents

Signalling apparatus

Info

Publication number
CA582804A
CA582804A CA582804A CA582804DA CA582804A CA 582804 A CA582804 A CA 582804A CA 582804 A CA582804 A CA 582804A CA 582804D A CA582804D A CA 582804DA CA 582804 A CA582804 A CA 582804A
Authority
CA
Canada
Prior art keywords
signalling apparatus
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
CA582804A
Other languages
French (fr)
Inventor
R. Van Deventer Harry
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 CA582804A publication Critical patent/CA582804A/en
Expired legal-status Critical Current

Links

CA582804A Signalling apparatus Expired CA582804A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA582804T

Publications (1)

Publication Number Publication Date
CA582804A true CA582804A (en) 1959-09-08

Family

ID=35762241

Family Applications (1)

Application Number Title Priority Date Filing Date
CA582804A Expired CA582804A (en) Signalling apparatus

Country Status (1)

Country Link
CA (1) CA582804A (en)

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