PL283910A1 - Angular drilling head - Google Patents
Angular drilling headInfo
- Publication number
- PL283910A1 PL283910A1 PL28391090A PL28391090A PL283910A1 PL 283910 A1 PL283910 A1 PL 283910A1 PL 28391090 A PL28391090 A PL 28391090A PL 28391090 A PL28391090 A PL 28391090A PL 283910 A1 PL283910 A1 PL 283910A1
- Authority
- PL
- Poland
- Prior art keywords
- drilling head
- angular drilling
- angular
- head
- drilling
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL28391090A PL162347B1 (en) | 1990-02-20 | 1990-02-20 | Angular drilling head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL28391090A PL162347B1 (en) | 1990-02-20 | 1990-02-20 | Angular drilling head |
Publications (2)
Publication Number | Publication Date |
---|---|
PL283910A1 true PL283910A1 (en) | 1991-08-26 |
PL162347B1 PL162347B1 (en) | 1993-10-30 |
Family
ID=20050335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL28391090A PL162347B1 (en) | 1990-02-20 | 1990-02-20 | Angular drilling head |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL162347B1 (en) |
-
1990
- 1990-02-20 PL PL28391090A patent/PL162347B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL162347B1 (en) | 1993-10-30 |
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