ZA881042B - Yieldable prop - Google Patents
Yieldable propInfo
- 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
Links
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) |
-
1988
- 1988-02-15 ZA ZA881042A patent/ZA881042B/en unknown
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