ZA881042B - Yieldable prop - Google Patents

Yieldable prop

Info

Publication number
ZA881042B
ZA881042B ZA881042A ZA881042A ZA881042B ZA 881042 B ZA881042 B ZA 881042B ZA 881042 A ZA881042 A ZA 881042A ZA 881042 A ZA881042 A ZA 881042A ZA 881042 B ZA881042 B ZA 881042B
Authority
ZA
South Africa
Prior art keywords
yieldable prop
yieldable
prop
Prior art date
Application number
ZA881042A
Inventor
Edward George Groves
George Groves Edward
Original Assignee
Groves Edward G
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 Groves Edward G filed Critical Groves Edward G
Priority to ZA881042A priority Critical patent/ZA881042B/en
Publication of ZA881042B publication Critical patent/ZA881042B/en

Links

ZA881042A 1987-02-17 1988-02-15 Yieldable prop ZA881042B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA881042A ZA881042B (en) 1987-02-17 1988-02-15 Yieldable prop

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA871153 1987-02-17
ZA881042A ZA881042B (en) 1987-02-17 1988-02-15 Yieldable prop

Publications (1)

Publication Number Publication Date
ZA881042B true ZA881042B (en) 1988-10-26

Family

ID=27137902

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA881042A ZA881042B (en) 1987-02-17 1988-02-15 Yieldable prop

Country Status (1)

Country Link
ZA (1) ZA881042B (en)

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