JPS5212769B2 - - Google Patents
Info
- Publication number
- JPS5212769B2 JPS5212769B2 JP11178672A JP11178672A JPS5212769B2 JP S5212769 B2 JPS5212769 B2 JP S5212769B2 JP 11178672 A JP11178672 A JP 11178672A JP 11178672 A JP11178672 A JP 11178672A JP S5212769 B2 JPS5212769 B2 JP S5212769B2
- 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.)
- Expired
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11178672A JPS5212769B2 (en:Method) | 1972-11-08 | 1972-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11178672A JPS5212769B2 (en:Method) | 1972-11-08 | 1972-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4970801A JPS4970801A (en:Method) | 1974-07-09 |
| JPS5212769B2 true JPS5212769B2 (en:Method) | 1977-04-09 |
Family
ID=14570112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11178672A Expired JPS5212769B2 (en:Method) | 1972-11-08 | 1972-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5212769B2 (en:Method) |
-
1972
- 1972-11-08 JP JP11178672A patent/JPS5212769B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4970801A (en:Method) | 1974-07-09 |