CA215462A - Multiple drill head - Google Patents
Multiple drill headInfo
- Publication number
- CA215462A CA215462A CA215462A CA215462DA CA215462A CA 215462 A CA215462 A CA 215462A CA 215462 A CA215462 A CA 215462A CA 215462D A CA215462D A CA 215462DA CA 215462 A CA215462 A CA 215462A
- Authority
- CA
- Canada
- Prior art keywords
- drill head
- multiple drill
- head
- 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 |
---|---|---|---|
CA215462T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA215462A true CA215462A (en) | 1922-01-31 |
Family
ID=35109906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA215462A Expired CA215462A (en) | Multiple drill head |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA215462A (en) |
-
0
- CA CA215462A patent/CA215462A/en not_active Expired
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