ZA981735B - An underground mining barrier - Google Patents
An underground mining barrierInfo
- Publication number
- ZA981735B ZA981735B ZA981735A ZA981735A ZA981735B ZA 981735 B ZA981735 B ZA 981735B ZA 981735 A ZA981735 A ZA 981735A ZA 981735 A ZA981735 A ZA 981735A ZA 981735 B ZA981735 B ZA 981735B
- Authority
- ZA
- South Africa
- Prior art keywords
- barrier
- underground mining
- mining
- underground
- mining barrier
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA971823 | 1997-03-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA981735B true ZA981735B (en) | 1998-09-07 |
Family
ID=25586274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA981735A ZA981735B (en) | 1997-03-03 | 1998-03-02 | An underground mining barrier |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU5642798A (en) |
ZA (1) | ZA981735B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102589920A (en) * | 2012-03-06 | 2012-07-18 | 力博重工科技股份有限公司 | Test bed for vertical derrick of prop pulling hoist |
CN111648800A (en) * | 2020-07-03 | 2020-09-11 | 张明东 | Colliery mine hole uses interim supporting device with adjustable secondary limit function |
-
1998
- 1998-03-02 ZA ZA981735A patent/ZA981735B/en unknown
- 1998-03-03 AU AU56427/98A patent/AU5642798A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU5642798A (en) | 1998-09-03 |
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