ZA9811230B - Prop prestressing device - Google Patents

Prop prestressing device

Info

Publication number
ZA9811230B
ZA9811230B ZA9811230A ZA9811230A ZA9811230B ZA 9811230 B ZA9811230 B ZA 9811230B ZA 9811230 A ZA9811230 A ZA 9811230A ZA 9811230 A ZA9811230 A ZA 9811230A ZA 9811230 B ZA9811230 B ZA 9811230B
Authority
ZA
South Africa
Prior art keywords
prestressing device
prop
prop prestressing
prestressing
Prior art date
Application number
ZA9811230A
Inventor
Johan Van Der Merwe
Byron Percy Christos
Original Assignee
Mine Mechanisation & Equipment
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 Mine Mechanisation & Equipment filed Critical Mine Mechanisation & Equipment
Priority to ZA9811230A priority Critical patent/ZA9811230B/en
Publication of ZA9811230B publication Critical patent/ZA9811230B/en

Links

ZA9811230A 1997-09-18 1998-12-08 Prop prestressing device ZA9811230B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA9811230A ZA9811230B (en) 1997-09-18 1998-12-08 Prop prestressing device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA978422 1997-09-18
ZA9811230A ZA9811230B (en) 1997-09-18 1998-12-08 Prop prestressing device

Publications (1)

Publication Number Publication Date
ZA9811230B true ZA9811230B (en) 1999-06-09

Family

ID=27144204

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9811230A ZA9811230B (en) 1997-09-18 1998-12-08 Prop prestressing device

Country Status (1)

Country Link
ZA (1) ZA9811230B (en)

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