JPS5681792A - Drill apparatus - Google Patents
Drill apparatusInfo
- Publication number
- JPS5681792A JPS5681792A JP15936679A JP15936679A JPS5681792A JP S5681792 A JPS5681792 A JP S5681792A JP 15936679 A JP15936679 A JP 15936679A JP 15936679 A JP15936679 A JP 15936679A JP S5681792 A JPS5681792 A JP S5681792A
- Authority
- JP
- Japan
- Prior art keywords
- drill apparatus
- 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.)
- Pending
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15936679A JPS5681792A (en) | 1979-12-07 | 1979-12-07 | Drill apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15936679A JPS5681792A (en) | 1979-12-07 | 1979-12-07 | Drill apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5681792A true JPS5681792A (en) | 1981-07-04 |
Family
ID=15692262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15936679A Pending JPS5681792A (en) | 1979-12-07 | 1979-12-07 | Drill apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5681792A (en) |
-
1979
- 1979-12-07 JP JP15936679A patent/JPS5681792A/en active Pending
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