CA263743A - Methode de forage de puits - Google Patents
Methode de forage de puitsInfo
- Publication number
- CA263743A CA263743A CA263743A CA263743DA CA263743A CA 263743 A CA263743 A CA 263743A CA 263743 A CA263743 A CA 263743A CA 263743D A CA263743D A CA 263743DA CA 263743 A CA263743 A CA 263743A
- Authority
- CA
- Canada
- Prior art keywords
- sinking method
- shaft sinking
- shaft
- sinking
- 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 |
---|---|---|---|
CA263743T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA263743A true CA263743A (fr) | 1926-08-24 |
Family
ID=35191696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA263743A Expired CA263743A (fr) | Methode de forage de puits |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA263743A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109268056A (zh) * | 2018-12-07 | 2019-01-25 | 中国矿业大学 | 一种煤矿采区集中降温送风平衡控制装置 |
-
0
- CA CA263743A patent/CA263743A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109268056A (zh) * | 2018-12-07 | 2019-01-25 | 中国矿业大学 | 一种煤矿采区集中降温送风平衡控制装置 |
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