SU422845A1 - - Google Patents
Info
- Publication number
- SU422845A1 SU422845A1 SU1786545A SU1786545A SU422845A1 SU 422845 A1 SU422845 A1 SU 422845A1 SU 1786545 A SU1786545 A SU 1786545A SU 1786545 A SU1786545 A SU 1786545A SU 422845 A1 SU422845 A1 SU 422845A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ffij
- coal
- drilling
- Prior art date
Links
Landscapes
- Paper (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Description
(54) УСТРОЙСТВО ДЛЯ БУРЕНИЯ ПО УГЛЮ
ПЧ о ii -ffij f
. ;д ui: ui;j:n
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1786545A SU422845A1 (ru) | 1972-05-22 | 1972-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1786545A SU422845A1 (ru) | 1972-05-22 | 1972-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU422845A1 true SU422845A1 (ru) | 1974-04-05 |
Family
ID=20514772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1786545A SU422845A1 (ru) | 1972-05-22 | 1972-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU422845A1 (ru) |
-
1972
- 1972-05-22 SU SU1786545A patent/SU422845A1/ru active
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