JPS4872902A - - Google Patents
Info
- Publication number
- JPS4872902A JPS4872902A JP460372A JP460372A JPS4872902A JP S4872902 A JPS4872902 A JP S4872902A JP 460372 A JP460372 A JP 460372A JP 460372 A JP460372 A JP 460372A JP S4872902 A JPS4872902 A JP S4872902A
- 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 |
|---|---|---|---|
| JP460372A JPS5216321B2 (ja) | 1971-12-29 | 1971-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP460372A JPS5216321B2 (ja) | 1971-12-29 | 1971-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4872902A true JPS4872902A (ja) | 1973-10-02 |
| JPS5216321B2 JPS5216321B2 (ja) | 1977-05-09 |
Family
ID=11588600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP460372A Expired JPS5216321B2 (ja) | 1971-12-29 | 1971-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5216321B2 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5628990A (en) * | 1979-08-17 | 1981-03-23 | Konoikegumi Kk | Reverse pile excavator with builttin hydraulic motor |
| JPH0932715A (ja) * | 1995-07-20 | 1997-02-04 | Sugino Mach Ltd | 水圧モータ及びこれを用いた掘削装置 |
| JP2010216130A (ja) * | 2009-03-16 | 2010-09-30 | Univ Of Tsukuba | 掘削装置及びドリルビットユニット |
-
1971
- 1971-12-29 JP JP460372A patent/JPS5216321B2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5628990A (en) * | 1979-08-17 | 1981-03-23 | Konoikegumi Kk | Reverse pile excavator with builttin hydraulic motor |
| JPH0932715A (ja) * | 1995-07-20 | 1997-02-04 | Sugino Mach Ltd | 水圧モータ及びこれを用いた掘削装置 |
| JP2010216130A (ja) * | 2009-03-16 | 2010-09-30 | Univ Of Tsukuba | 掘削装置及びドリルビットユニット |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5216321B2 (ja) | 1977-05-09 |