ZA93977B - Underground communication - Google Patents

Underground communication

Info

Publication number
ZA93977B
ZA93977B ZA93977A ZA93977A ZA93977B ZA 93977 B ZA93977 B ZA 93977B ZA 93977 A ZA93977 A ZA 93977A ZA 93977 A ZA93977 A ZA 93977A ZA 93977 B ZA93977 B ZA 93977B
Authority
ZA
South Africa
Prior art keywords
underground communication
underground
communication
Prior art date
Application number
ZA93977A
Inventor
Eric Charles Paxton
Original Assignee
Altech Ind Pty 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 Altech Ind Pty Ltd filed Critical Altech Ind Pty Ltd
Publication of ZA93977B publication Critical patent/ZA93977B/en

Links

ZA93977A 1992-11-12 1993-02-12 Underground communication ZA93977B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA928711 1992-11-12

Publications (1)

Publication Number Publication Date
ZA93977B true ZA93977B (en) 1994-01-07

Family

ID=25582315

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA93977A ZA93977B (en) 1992-11-12 1993-02-12 Underground communication

Country Status (1)

Country Link
ZA (1) ZA93977B (en)

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