SU638726A1 - Method of excavating pillars - Google Patents
Method of excavating pillarsInfo
- Publication number
- SU638726A1 SU638726A1 SU772531268A SU2531268A SU638726A1 SU 638726 A1 SU638726 A1 SU 638726A1 SU 772531268 A SU772531268 A SU 772531268A SU 2531268 A SU2531268 A SU 2531268A SU 638726 A1 SU638726 A1 SU 638726A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- excavating
- pillars
- excavating pillars
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772531268A SU638726A1 (en) | 1977-10-17 | 1977-10-17 | Method of excavating pillars |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772531268A SU638726A1 (en) | 1977-10-17 | 1977-10-17 | Method of excavating pillars |
Publications (1)
Publication Number | Publication Date |
---|---|
SU638726A1 true SU638726A1 (en) | 1978-12-25 |
Family
ID=20727842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU772531268A SU638726A1 (en) | 1977-10-17 | 1977-10-17 | Method of excavating pillars |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU638726A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2744499C1 (en) * | 2018-09-04 | 2021-03-10 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Method for extraction of coal pulses in chamber development with internal filling |
-
1977
- 1977-10-17 SU SU772531268A patent/SU638726A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2744499C1 (en) * | 2018-09-04 | 2021-03-10 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Method for extraction of coal pulses in chamber development with internal filling |
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