PL314391A1 - Rotary drilling bit - Google Patents
Rotary drilling bitInfo
- Publication number
- PL314391A1 PL314391A1 PL31439196A PL31439196A PL314391A1 PL 314391 A1 PL314391 A1 PL 314391A1 PL 31439196 A PL31439196 A PL 31439196A PL 31439196 A PL31439196 A PL 31439196A PL 314391 A1 PL314391 A1 PL 314391A1
- Authority
- PL
- Poland
- Prior art keywords
- rotary drilling
- drilling bit
- bit
- rotary
- drilling
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL96314391A PL178875B1 (en) | 1996-05-21 | 1996-05-21 | Rotary drilling bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL96314391A PL178875B1 (en) | 1996-05-21 | 1996-05-21 | Rotary drilling bit |
Publications (2)
Publication Number | Publication Date |
---|---|
PL314391A1 true PL314391A1 (en) | 1997-11-24 |
PL178875B1 PL178875B1 (en) | 2000-06-30 |
Family
ID=20067593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL96314391A PL178875B1 (en) | 1996-05-21 | 1996-05-21 | Rotary drilling bit |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL178875B1 (en) |
-
1996
- 1996-05-21 PL PL96314391A patent/PL178875B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
PL178875B1 (en) | 2000-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Decisions on the lapse of the protection rights |
Effective date: 20110521 |