ZA9710397B - Mine prop prestressing device. - Google Patents

Mine prop prestressing device.

Info

Publication number
ZA9710397B
ZA9710397B ZA9710397A ZA9710397A ZA9710397B ZA 9710397 B ZA9710397 B ZA 9710397B ZA 9710397 A ZA9710397 A ZA 9710397A ZA 9710397 A ZA9710397 A ZA 9710397A ZA 9710397 B ZA9710397 B ZA 9710397B
Authority
ZA
South Africa
Prior art keywords
prestressing device
mine prop
prop prestressing
mine
prop
Prior art date
Application number
ZA9710397A
Inventor
Ronald Raymond Cohen
Original Assignee
Derglen Cc
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 Derglen Cc filed Critical Derglen Cc
Priority to ZA9710397A priority Critical patent/ZA9710397B/en
Publication of ZA9710397B publication Critical patent/ZA9710397B/en

Links

ZA9710397A 1997-11-19 1997-11-19 Mine prop prestressing device. ZA9710397B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA9710397A ZA9710397B (en) 1997-11-19 1997-11-19 Mine prop prestressing device.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA9710397A ZA9710397B (en) 1997-11-19 1997-11-19 Mine prop prestressing device.

Publications (1)

Publication Number Publication Date
ZA9710397B true ZA9710397B (en) 1998-08-26

Family

ID=25586726

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9710397A ZA9710397B (en) 1997-11-19 1997-11-19 Mine prop prestressing device.

Country Status (1)

Country Link
ZA (1) ZA9710397B (en)

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