CA923886A - Mobile drilling mechanism - Google Patents
Mobile drilling mechanismInfo
- Publication number
- CA923886A CA923886A CA143291A CA143291A CA923886A CA 923886 A CA923886 A CA 923886A CA 143291 A CA143291 A CA 143291A CA 143291 A CA143291 A CA 143291A CA 923886 A CA923886 A CA 923886A
- Authority
- CA
- Canada
- Prior art keywords
- drilling mechanism
- mobile drilling
- mobile
- drilling
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA143291A CA923886A (en) | 1968-06-04 | 1972-05-29 | Mobile drilling mechanism |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73432468A | 1968-06-04 | 1968-06-04 | |
CA047144A CA918630A (en) | 1968-06-04 | 1969-03-28 | Drilling machine for use in small tunnels |
CA143291A CA923886A (en) | 1968-06-04 | 1972-05-29 | Mobile drilling mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CA923886A true CA923886A (en) | 1973-04-03 |
Family
ID=25666037
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA143291A Expired CA923886A (en) | 1968-06-04 | 1972-05-29 | Mobile drilling mechanism |
CA143290A Expired CA923885A (en) | 1968-06-04 | 1972-05-29 | Drilling mechanism |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA143290A Expired CA923885A (en) | 1968-06-04 | 1972-05-29 | Drilling mechanism |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA923886A (en) |
-
1972
- 1972-05-29 CA CA143291A patent/CA923886A/en not_active Expired
- 1972-05-29 CA CA143290A patent/CA923885A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA923885A (en) | 1973-04-03 |
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