ZA201408072B - Underground signalling system - Google Patents

Underground signalling system

Info

Publication number
ZA201408072B
ZA201408072B ZA2014/08072A ZA201408072A ZA201408072B ZA 201408072 B ZA201408072 B ZA 201408072B ZA 2014/08072 A ZA2014/08072 A ZA 2014/08072A ZA 201408072 A ZA201408072 A ZA 201408072A ZA 201408072 B ZA201408072 B ZA 201408072B
Authority
ZA
South Africa
Prior art keywords
underground
signalling system
signalling
underground signalling
Prior art date
Application number
ZA2014/08072A
Inventor
Willem Frederich Bousema
Original Assignee
Willem Frederich Bousema
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 Willem Frederich Bousema filed Critical Willem Frederich Bousema
Publication of ZA201408072B publication Critical patent/ZA201408072B/en

Links

ZA2014/08072A 2013-11-06 2014-11-04 Underground signalling system ZA201408072B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA201308345 2013-11-06

Publications (1)

Publication Number Publication Date
ZA201408072B true ZA201408072B (en) 2015-12-23

Family

ID=60997087

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2014/08072A ZA201408072B (en) 2013-11-06 2014-11-04 Underground signalling system

Country Status (1)

Country Link
ZA (1) ZA201408072B (en)

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