PL270609A1 - Drag bit - Google Patents
Drag bitInfo
- Publication number
- PL270609A1 PL270609A1 PL27060988A PL27060988A PL270609A1 PL 270609 A1 PL270609 A1 PL 270609A1 PL 27060988 A PL27060988 A PL 27060988A PL 27060988 A PL27060988 A PL 27060988A PL 270609 A1 PL270609 A1 PL 270609A1
- Authority
- PL
- Poland
- Prior art keywords
- drag bit
- drag
- bit
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL27060988A PL157666B1 (en) | 1988-02-11 | 1988-02-11 | Drag bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL27060988A PL157666B1 (en) | 1988-02-11 | 1988-02-11 | Drag bit |
Publications (2)
Publication Number | Publication Date |
---|---|
PL270609A1 true PL270609A1 (en) | 1989-08-21 |
PL157666B1 PL157666B1 (en) | 1992-06-30 |
Family
ID=20040570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL27060988A PL157666B1 (en) | 1988-02-11 | 1988-02-11 | Drag bit |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL157666B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102134850A (en) * | 2011-01-08 | 2011-07-27 | 洪子云 | Soil-sucking hole-forming bit of diamond drill |
-
1988
- 1988-02-11 PL PL27060988A patent/PL157666B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL157666B1 (en) | 1992-06-30 |
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