JPS57137690U - - Google Patents
Info
- Publication number
- JPS57137690U JPS57137690U JP2366481U JP2366481U JPS57137690U JP S57137690 U JPS57137690 U JP S57137690U JP 2366481 U JP2366481 U JP 2366481U JP 2366481 U JP2366481 U JP 2366481U JP S57137690 U JPS57137690 U JP S57137690U
- 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 |
|---|---|---|---|
| JP1981023664U JPS627746Y2 (fr) | 1981-02-21 | 1981-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981023664U JPS627746Y2 (fr) | 1981-02-21 | 1981-02-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57137690U true JPS57137690U (fr) | 1982-08-27 |
| JPS627746Y2 JPS627746Y2 (fr) | 1987-02-23 |
Family
ID=29821413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981023664U Expired JPS627746Y2 (fr) | 1981-02-21 | 1981-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627746Y2 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017214782A (ja) * | 2016-06-01 | 2017-12-07 | Ｊｆｅスチール株式会社 | 拡大掘削装置および拡大掘削方法 |
| JP2019124080A (ja) * | 2018-01-18 | 2019-07-25 | 油電機テック株式会社 | 地中伝搬信号送受信装置、地中作業用のヘッド部、地中作業機械及び地中作業システム並びに地中作業管理方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5033963U (fr) * | 1973-07-20 | 1975-04-11 | ||
| JPS55155898A (en) * | 1979-05-23 | 1980-12-04 | Elf Aquitaine | Method and device for detecting and measuring fluid ore in lode during excavation |
-
1981
- 1981-02-21 JP JP1981023664U patent/JPS627746Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5033963U (fr) * | 1973-07-20 | 1975-04-11 | ||
| JPS55155898A (en) * | 1979-05-23 | 1980-12-04 | Elf Aquitaine | Method and device for detecting and measuring fluid ore in lode during excavation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017214782A (ja) * | 2016-06-01 | 2017-12-07 | Ｊｆｅスチール株式会社 | 拡大掘削装置および拡大掘削方法 |
| JP2019124080A (ja) * | 2018-01-18 | 2019-07-25 | 油電機テック株式会社 | 地中伝搬信号送受信装置、地中作業用のヘッド部、地中作業機械及び地中作業システム並びに地中作業管理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS627746Y2 (fr) | 1987-02-23 |