SU426035A1 - - Google Patents
Info
- Publication number
- SU426035A1 SU426035A1 SU1831809A SU1831809A SU426035A1 SU 426035 A1 SU426035 A1 SU 426035A1 SU 1831809 A SU1831809 A SU 1831809A SU 1831809 A SU1831809 A SU 1831809A SU 426035 A1 SU426035 A1 SU 426035A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- column
- drilling wells
- device drilling
- thermomechanical device
- thermomechanical
- Prior art date
Links
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1831809A SU426035A1 (de) | 1972-09-28 | 1972-09-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1831809A SU426035A1 (de) | 1972-09-28 | 1972-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
SU426035A1 true SU426035A1 (de) | 1974-04-30 |
Family
ID=20527960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1831809A SU426035A1 (de) | 1972-09-28 | 1972-09-28 |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU426035A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5107936A (en) * | 1987-01-22 | 1992-04-28 | Technologies Transfer Est. | Rock melting excavation process |
-
1972
- 1972-09-28 SU SU1831809A patent/SU426035A1/ru active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5107936A (en) * | 1987-01-22 | 1992-04-28 | Technologies Transfer Est. | Rock melting excavation process |
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