ZA771355B - Radio signalling systems - Google Patents

Radio signalling systems

Info

Publication number
ZA771355B
ZA771355B ZA00771355A ZA771355A ZA771355B ZA 771355 B ZA771355 B ZA 771355B ZA 00771355 A ZA00771355 A ZA 00771355A ZA 771355 A ZA771355 A ZA 771355A ZA 771355 B ZA771355 B ZA 771355B
Authority
ZA
South Africa
Prior art keywords
signalling systems
radio signalling
radio
systems
signalling
Prior art date
Application number
ZA00771355A
Inventor
W Gilmour
Original Assignee
Lewis Security Syst Ltd
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 Lewis Security Syst Ltd filed Critical Lewis Security Syst Ltd
Priority to ZA00771355A priority Critical patent/ZA771355B/en
Publication of ZA771355B publication Critical patent/ZA771355B/en

Links

ZA00771355A 1977-03-07 1977-03-07 Radio signalling systems ZA771355B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA00771355A ZA771355B (en) 1977-03-07 1977-03-07 Radio signalling systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00771355A ZA771355B (en) 1977-03-07 1977-03-07 Radio signalling systems

Publications (1)

Publication Number Publication Date
ZA771355B true ZA771355B (en) 1978-10-25

Family

ID=25571321

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00771355A ZA771355B (en) 1977-03-07 1977-03-07 Radio signalling systems

Country Status (1)

Country Link
ZA (1) ZA771355B (en)

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