SU635231A1 - Коронка дл ударного бурени - Google Patents
Коронка дл ударного бурениInfo
- Publication number
- SU635231A1 SU635231A1 SU772476610A SU2476610A SU635231A1 SU 635231 A1 SU635231 A1 SU 635231A1 SU 772476610 A SU772476610 A SU 772476610A SU 2476610 A SU2476610 A SU 2476610A SU 635231 A1 SU635231 A1 SU 635231A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- drilling bit
- percussion drilling
- percussion
- bit
- crown
- Prior art date
Links
Landscapes
- Earth Drilling (AREA)
Description
(54) КОРОНКА ДЛЯ УДАРНОГО БУРЕНИЯ
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772476610A SU635231A1 (ru) | 1977-04-13 | 1977-04-13 | Коронка дл ударного бурени |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772476610A SU635231A1 (ru) | 1977-04-13 | 1977-04-13 | Коронка дл ударного бурени |
Publications (1)
Publication Number | Publication Date |
---|---|
SU635231A1 true SU635231A1 (ru) | 1978-11-30 |
Family
ID=20705227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU772476610A SU635231A1 (ru) | 1977-04-13 | 1977-04-13 | Коронка дл ударного бурени |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU635231A1 (ru) |
-
1977
- 1977-04-13 SU SU772476610A patent/SU635231A1/ru active
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