JPH0313391U - - Google Patents
Info
- Publication number
- JPH0313391U JPH0313391U JP7444489U JP7444489U JPH0313391U JP H0313391 U JPH0313391 U JP H0313391U JP 7444489 U JP7444489 U JP 7444489U JP 7444489 U JP7444489 U JP 7444489U JP H0313391 U JPH0313391 U JP H0313391U
- Authority
- JP
- Japan
- Prior art keywords
- drilling device
- drifter
- drifters
- rod
- feed
- 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
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7444489U JPH0313391U (2) | 1989-06-27 | 1989-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7444489U JPH0313391U (2) | 1989-06-27 | 1989-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0313391U true JPH0313391U (2) | 1991-02-12 |
Family
ID=31614139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7444489U Pending JPH0313391U (2) | 1989-06-27 | 1989-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0313391U (2) |
-
1989
- 1989-06-27 JP JP7444489U patent/JPH0313391U/ja active Pending
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