ZA915093B - Yieldable prop - Google Patents
Yieldable propInfo
- Publication number
- ZA915093B ZA915093B ZA915093A ZA915093A ZA915093B ZA 915093 B ZA915093 B ZA 915093B ZA 915093 A ZA915093 A ZA 915093A ZA 915093 A ZA915093 A ZA 915093A ZA 915093 B ZA915093 B ZA 915093B
- 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 |
---|---|---|---|
ZA915093A ZA915093B (en) | 1990-07-03 | 1991-07-02 | Yieldable prop |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA905168 | 1990-07-03 | ||
ZA915093A ZA915093B (en) | 1990-07-03 | 1991-07-02 | Yieldable prop |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA915093B true ZA915093B (en) | 1992-03-25 |
Family
ID=27141235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA915093A ZA915093B (en) | 1990-07-03 | 1991-07-02 | Yieldable prop |
Country Status (1)
Country | Link |
---|---|
ZA (1) | ZA915093B (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 |
-
1991
- 1991-07-02 ZA ZA915093A patent/ZA915093B/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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