CA221843A - Douille de foret de puits - Google Patents
Douille de foret de puitsInfo
- Publication number
- CA221843A CA221843A CA221843A CA221843DA CA221843A CA 221843 A CA221843 A CA 221843A CA 221843 A CA221843 A CA 221843A CA 221843D A CA221843D A CA 221843DA CA 221843 A CA221843 A CA 221843A
- Authority
- CA
- Canada
- Prior art keywords
- well drill
- drill socket
- socket
- well
- drill
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA221843T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA221843A true CA221843A (fr) | 1922-08-08 |
Family
ID=35117445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA221843A Expired CA221843A (fr) | Douille de foret de puits |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA221843A (fr) |
-
0
- CA CA221843A patent/CA221843A/fr not_active Expired
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