ZA771718B - Mine tunnelling - Google Patents

Mine tunnelling

Info

Publication number
ZA771718B
ZA771718B ZA00771718A ZA771718A ZA771718B ZA 771718 B ZA771718 B ZA 771718B ZA 00771718 A ZA00771718 A ZA 00771718A ZA 771718 A ZA771718 A ZA 771718A ZA 771718 B ZA771718 B ZA 771718B
Authority
ZA
South Africa
Prior art keywords
mine tunnelling
tunnelling
mine
Prior art date
Application number
ZA00771718A
Inventor
K Spies
Original Assignee
Bochumer Eisen Heintzmann
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 Bochumer Eisen Heintzmann filed Critical Bochumer Eisen Heintzmann
Priority to ZA00771718A priority Critical patent/ZA771718B/en
Publication of ZA771718B publication Critical patent/ZA771718B/en

Links

ZA00771718A 1977-03-22 1977-03-22 Mine tunnelling ZA771718B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA00771718A ZA771718B (en) 1977-03-22 1977-03-22 Mine tunnelling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00771718A ZA771718B (en) 1977-03-22 1977-03-22 Mine tunnelling

Publications (1)

Publication Number Publication Date
ZA771718B true ZA771718B (en) 1978-05-30

Family

ID=25571396

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00771718A ZA771718B (en) 1977-03-22 1977-03-22 Mine tunnelling

Country Status (1)

Country Link
ZA (1) ZA771718B (en)

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