JPS4990601A - - Google Patents
Info
- Publication number
- JPS4990601A JPS4990601A JP12728472A JP12728472A JPS4990601A JP S4990601 A JPS4990601 A JP S4990601A JP 12728472 A JP12728472 A JP 12728472A JP 12728472 A JP12728472 A JP 12728472A JP S4990601 A JPS4990601 A JP S4990601A
- 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
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12728472A JPS525162B2 (en:Method) | 1972-12-20 | 1972-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12728472A JPS525162B2 (en:Method) | 1972-12-20 | 1972-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4990601A true JPS4990601A (en:Method) | 1974-08-29 |
| JPS525162B2 JPS525162B2 (en:Method) | 1977-02-10 |
Family
ID=14956152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12728472A Expired JPS525162B2 (en:Method) | 1972-12-20 | 1972-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS525162B2 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5118871A (en) * | 1974-08-07 | 1976-02-14 | Furukawa Electric Co Ltd | Tabungidensenno seizoho |
-
1972
- 1972-12-20 JP JP12728472A patent/JPS525162B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5118871A (en) * | 1974-08-07 | 1976-02-14 | Furukawa Electric Co Ltd | Tabungidensenno seizoho |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS525162B2 (en:Method) | 1977-02-10 |