JPS55164B2 - - Google Patents
Info
- Publication number
- JPS55164B2 JPS55164B2 JP1587372A JP1587372A JPS55164B2 JP S55164 B2 JPS55164 B2 JP S55164B2 JP 1587372 A JP1587372 A JP 1587372A JP 1587372 A JP1587372 A JP 1587372A JP S55164 B2 JPS55164 B2 JP S55164B2
- 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 Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1587372A JPS55164B2 (en:Method) | 1972-02-15 | 1972-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1587372A JPS55164B2 (en:Method) | 1972-02-15 | 1972-02-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4884968A JPS4884968A (en:Method) | 1973-11-10 |
| JPS55164B2 true JPS55164B2 (en:Method) | 1980-01-07 |
Family
ID=11900903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1587372A Expired JPS55164B2 (en:Method) | 1972-02-15 | 1972-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55164B2 (en:Method) |
-
1972
- 1972-02-15 JP JP1587372A patent/JPS55164B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4884968A (en:Method) | 1973-11-10 |