ZA901984B - Yielding mine prop - Google Patents
Yielding mine propInfo
- Publication number
- ZA901984B ZA901984B ZA901984A ZA901984A ZA901984B ZA 901984 B ZA901984 B ZA 901984B ZA 901984 A ZA901984 A ZA 901984A ZA 901984 A ZA901984 A ZA 901984A ZA 901984 B ZA901984 B ZA 901984B
- Authority
- ZA
- South Africa
- Prior art keywords
- mine prop
- yielding mine
- yielding
- prop
- mine
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA901984A ZA901984B (en) | 1989-03-16 | 1990-03-15 | Yielding mine prop |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA892008 | 1989-03-16 | ||
ZA901984A ZA901984B (en) | 1989-03-16 | 1990-03-15 | Yielding mine prop |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA901984B true ZA901984B (en) | 1990-12-28 |
Family
ID=27139979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA901984A ZA901984B (en) | 1989-03-16 | 1990-03-15 | Yielding mine prop |
Country Status (1)
Country | Link |
---|---|
ZA (1) | ZA901984B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9611738B2 (en) | 2014-08-27 | 2017-04-04 | Burrell Mining Products, Inc. | Ventilated mine roof support |
US9903203B2 (en) | 2014-08-27 | 2018-02-27 | Burrell Mining Products, Inc. | Ventilated mine roof support |
-
1990
- 1990-03-15 ZA ZA901984A patent/ZA901984B/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9611738B2 (en) | 2014-08-27 | 2017-04-04 | Burrell Mining Products, Inc. | Ventilated mine roof support |
US9903203B2 (en) | 2014-08-27 | 2018-02-27 | Burrell Mining Products, Inc. | Ventilated mine roof support |
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