JPS4943803A - - Google Patents
Info
- Publication number
- JPS4943803A JPS4943803A JP8714872A JP8714872A JPS4943803A JP S4943803 A JPS4943803 A JP S4943803A JP 8714872 A JP8714872 A JP 8714872A JP 8714872 A JP8714872 A JP 8714872A JP S4943803 A JPS4943803 A JP S4943803A
- 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.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8714872A JPS5525266B2 (en:Method) | 1972-09-01 | 1972-09-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8714872A JPS5525266B2 (en:Method) | 1972-09-01 | 1972-09-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4943803A true JPS4943803A (en:Method) | 1974-04-25 |
| JPS5525266B2 JPS5525266B2 (en:Method) | 1980-07-04 |
Family
ID=13906879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8714872A Expired JPS5525266B2 (en:Method) | 1972-09-01 | 1972-09-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5525266B2 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5639288A (en) * | 1979-09-07 | 1981-04-14 | Mitsui Constr | Drilling machine for locking bolt for pit |
-
1972
- 1972-09-01 JP JP8714872A patent/JPS5525266B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5639288A (en) * | 1979-09-07 | 1981-04-14 | Mitsui Constr | Drilling machine for locking bolt for pit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5525266B2 (en:Method) | 1980-07-04 |