ZA875352B - Rock drill stem extractor - Google Patents

Rock drill stem extractor

Info

Publication number
ZA875352B
ZA875352B ZA875352A ZA875352A ZA875352B ZA 875352 B ZA875352 B ZA 875352B ZA 875352 A ZA875352 A ZA 875352A ZA 875352 A ZA875352 A ZA 875352A ZA 875352 B ZA875352 B ZA 875352B
Authority
ZA
South Africa
Prior art keywords
rock drill
drill stem
stem extractor
extractor
rock
Prior art date
Application number
ZA875352A
Inventor
Pieter Du Toit
Du Toit Pieter
Original Assignee
Licence Mining Proprietary Lim
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 Licence Mining Proprietary Lim filed Critical Licence Mining Proprietary Lim
Priority to ZA875352A priority Critical patent/ZA875352B/en
Publication of ZA875352B publication Critical patent/ZA875352B/en

Links

ZA875352A 1986-04-21 1987-07-21 Rock drill stem extractor ZA875352B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA875352A ZA875352B (en) 1986-04-21 1987-07-21 Rock drill stem extractor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA862756 1986-04-21
ZA875352A ZA875352B (en) 1986-04-21 1987-07-21 Rock drill stem extractor

Publications (1)

Publication Number Publication Date
ZA875352B true ZA875352B (en) 1988-05-25

Family

ID=27137011

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA875352A ZA875352B (en) 1986-04-21 1987-07-21 Rock drill stem extractor

Country Status (1)

Country Link
ZA (1) ZA875352B (en)

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