JPS4881301A - - Google Patents
Info
- Publication number
- JPS4881301A JPS4881301A JP1080772A JP1080772A JPS4881301A JP S4881301 A JPS4881301 A JP S4881301A JP 1080772 A JP1080772 A JP 1080772A JP 1080772 A JP1080772 A JP 1080772A JP S4881301 A JPS4881301 A JP S4881301A
- 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.)
- Pending
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1080772A JPS4881301A (en:Method) | 1972-01-29 | 1972-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1080772A JPS4881301A (en:Method) | 1972-01-29 | 1972-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4881301A true JPS4881301A (en:Method) | 1973-10-31 |
Family
ID=11760600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1080772A Pending JPS4881301A (en:Method) | 1972-01-29 | 1972-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4881301A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159094A (en) * | 1979-05-18 | 1980-12-10 | Salzgitter Maschinen Ag | Centering guide for drill rod |
-
1972
- 1972-01-29 JP JP1080772A patent/JPS4881301A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159094A (en) * | 1979-05-18 | 1980-12-10 | Salzgitter Maschinen Ag | Centering guide for drill rod |