JPS5143441B2 - - Google Patents
Info
- Publication number
- JPS5143441B2 JPS5143441B2 JP7831372A JP7831372A JPS5143441B2 JP S5143441 B2 JPS5143441 B2 JP S5143441B2 JP 7831372 A JP7831372 A JP 7831372A JP 7831372 A JP7831372 A JP 7831372A JP S5143441 B2 JPS5143441 B2 JP S5143441B2
- 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 |
|---|---|---|---|
| JP7831372A JPS5143441B2 (en:Method) | 1972-08-07 | 1972-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7831372A JPS5143441B2 (en:Method) | 1972-08-07 | 1972-08-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4935201A JPS4935201A (en:Method) | 1974-04-01 |
| JPS5143441B2 true JPS5143441B2 (en:Method) | 1976-11-22 |
Family
ID=13658433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7831372A Expired JPS5143441B2 (en:Method) | 1972-08-07 | 1972-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5143441B2 (en:Method) |
-
1972
- 1972-08-07 JP JP7831372A patent/JPS5143441B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4935201A (en:Method) | 1974-04-01 |