CA249541A - Trepan - Google Patents
TrepanInfo
- Publication number
- CA249541A CA249541A CA249541A CA249541DA CA249541A CA 249541 A CA249541 A CA 249541A CA 249541 A CA249541 A CA 249541A CA 249541D A CA249541D A CA 249541DA CA 249541 A CA249541 A CA 249541A
- Authority
- CA
- Canada
- Prior art keywords
- drill jar
- jar
- 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 |
|---|---|---|---|
| CA249541T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA249541A true CA249541A (fr) | 1925-05-12 |
Family
ID=35156515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA249541A Expired CA249541A (fr) | Trepan |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA249541A (fr) |
-
0
- CA CA249541A patent/CA249541A/fr not_active Expired
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