CS112986A1 - Drilling tool - Google Patents
Drilling toolInfo
- Publication number
- CS112986A1 CS112986A1 CS861129A CS112986A CS112986A1 CS 112986 A1 CS112986 A1 CS 112986A1 CS 861129 A CS861129 A CS 861129A CS 112986 A CS112986 A CS 112986A CS 112986 A1 CS112986 A1 CS 112986A1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- drilling tool
- drilling
- tool
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BG6886285A BG41763A1 (en) | 1985-02-18 | 1985-02-18 | Rock destructing core drill |
Publications (2)
Publication Number | Publication Date |
---|---|
CS112986A1 true CS112986A1 (en) | 1989-01-12 |
CS267688B1 CS267688B1 (en) | 1990-02-12 |
Family
ID=3915130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS861129A CS267688B1 (en) | 1985-02-18 | 1986-02-18 | Drilling tool |
Country Status (3)
Country | Link |
---|---|
BG (1) | BG41763A1 (en) |
CS (1) | CS267688B1 (en) |
DD (1) | DD273168A3 (en) |
-
1985
- 1985-02-18 BG BG6886285A patent/BG41763A1/en unknown
-
1986
- 1986-02-14 DD DD28711086A patent/DD273168A3/en unknown
- 1986-02-18 CS CS861129A patent/CS267688B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
BG41763A1 (en) | 1987-08-14 |
CS267688B1 (en) | 1990-02-12 |
DD273168A3 (en) | 1989-11-08 |
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