CA301891A - Acier tubulaire de perforatrice - Google Patents
Acier tubulaire de perforatriceInfo
- Publication number
- CA301891A CA301891A CA301891A CA301891DA CA301891A CA 301891 A CA301891 A CA 301891A CA 301891 A CA301891 A CA 301891A CA 301891D A CA301891D A CA 301891DA CA 301891 A CA301891 A CA 301891A
- Authority
- CA
- Canada
- Prior art keywords
- drill steel
- hollow drill
- hollow
- steel
- 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
- 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 |
|---|---|---|---|
| CA301891T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA301891A true CA301891A (fr) | 1930-07-08 |
Family
ID=35255037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA301891A Expired CA301891A (fr) | Acier tubulaire de perforatrice |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA301891A (fr) |
-
0
- CA CA301891A patent/CA301891A/fr not_active Expired
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