JPS6356789U - - Google Patents
Info
- Publication number
- JPS6356789U JPS6356789U JP15046986U JP15046986U JPS6356789U JP S6356789 U JPS6356789 U JP S6356789U JP 15046986 U JP15046986 U JP 15046986U JP 15046986 U JP15046986 U JP 15046986U JP S6356789 U JPS6356789 U JP S6356789U
- Authority
- JP
- Japan
- Prior art keywords
- position control
- boom
- drilling position
- drilling
- bus bar
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15046986U JPH063908Y2 (ja) | 1986-09-30 | 1986-09-30 | さく孔位置制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15046986U JPH063908Y2 (ja) | 1986-09-30 | 1986-09-30 | さく孔位置制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6356789U true JPS6356789U (de) | 1988-04-15 |
| JPH063908Y2 JPH063908Y2 (ja) | 1994-02-02 |
Family
ID=31066641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15046986U Expired - Lifetime JPH063908Y2 (ja) | 1986-09-30 | 1986-09-30 | さく孔位置制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH063908Y2 (de) |
-
1986
- 1986-09-30 JP JP15046986U patent/JPH063908Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH063908Y2 (ja) | 1994-02-02 |