ZA906495B - Supports in underground excavations - Google Patents

Supports in underground excavations

Info

Publication number
ZA906495B
ZA906495B ZA906495A ZA906495A ZA906495B ZA 906495 B ZA906495 B ZA 906495B ZA 906495 A ZA906495 A ZA 906495A ZA 906495 A ZA906495 A ZA 906495A ZA 906495 B ZA906495 B ZA 906495B
Authority
ZA
South Africa
Prior art keywords
supports
underground excavations
excavations
underground
Prior art date
Application number
ZA906495A
Inventor
Anthony John Spencer Spearing
John Spencer Spearing Anthony
Original Assignee
Anglo Amer Corp South Africa
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 Anglo Amer Corp South Africa filed Critical Anglo Amer Corp South Africa
Priority to ZA906495A priority Critical patent/ZA906495B/en
Publication of ZA906495B publication Critical patent/ZA906495B/en

Links

ZA906495A 1989-09-19 1990-08-16 Supports in underground excavations ZA906495B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA906495A ZA906495B (en) 1989-09-19 1990-08-16 Supports in underground excavations

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA897136 1989-09-19
ZA906495A ZA906495B (en) 1989-09-19 1990-08-16 Supports in underground excavations

Publications (1)

Publication Number Publication Date
ZA906495B true ZA906495B (en) 1991-11-27

Family

ID=27140490

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA906495A ZA906495B (en) 1989-09-19 1990-08-16 Supports in underground excavations

Country Status (1)

Country Link
ZA (1) ZA906495B (en)

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