JPS612153B2 - - Google Patents
Info
- Publication number
- JPS612153B2 JPS612153B2 JP12075780A JP12075780A JPS612153B2 JP S612153 B2 JPS612153 B2 JP S612153B2 JP 12075780 A JP12075780 A JP 12075780A JP 12075780 A JP12075780 A JP 12075780A JP S612153 B2 JPS612153 B2 JP S612153B2
- Authority
- JP
- Japan
- 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
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12075780A JPS57108393A (en) | 1980-09-01 | 1980-09-01 | Guide shoe replacing apparatus for drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12075780A JPS57108393A (en) | 1980-09-01 | 1980-09-01 | Guide shoe replacing apparatus for drill |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57108393A JPS57108393A (en) | 1982-07-06 |
JPS612153B2 true JPS612153B2 ( ) | 1986-01-22 |
Family
ID=14794230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12075780A Granted JPS57108393A (en) | 1980-09-01 | 1980-09-01 | Guide shoe replacing apparatus for drill |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57108393A ( ) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03852U ( ) * | 1989-05-26 | 1991-01-08 |
-
1980
- 1980-09-01 JP JP12075780A patent/JPS57108393A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03852U ( ) * | 1989-05-26 | 1991-01-08 |
Also Published As
Publication number | Publication date |
---|---|
JPS57108393A (en) | 1982-07-06 |