CA537441A - Centralisateur d'acier de perceuse - Google Patents
Centralisateur d'acier de perceuseInfo
- Publication number
- CA537441A CA537441A CA537441A CA537441DA CA537441A CA 537441 A CA537441 A CA 537441A CA 537441 A CA537441 A CA 537441A CA 537441D A CA537441D A CA 537441DA CA 537441 A CA537441 A CA 537441A
- Authority
- CA
- Canada
- Prior art keywords
- drill steel
- steel centralizer
- centralizer
- drill
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA537441T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA537441A true CA537441A (fr) | 1957-02-26 |
Family
ID=35692075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA537441A Expired CA537441A (fr) | Centralisateur d'acier de perceuse |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA537441A (fr) |
-
0
- CA CA537441A patent/CA537441A/fr not_active Expired
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