JPS5221513Y2 - - Google Patents
Info
- Publication number
- JPS5221513Y2 JPS5221513Y2 JP6234972U JP6234972U JPS5221513Y2 JP S5221513 Y2 JPS5221513 Y2 JP S5221513Y2 JP 6234972 U JP6234972 U JP 6234972U JP 6234972 U JP6234972 U JP 6234972U JP S5221513 Y2 JPS5221513 Y2 JP S5221513Y2
- 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 |
|---|---|---|---|
| JP6234972U JPS5221513Y2 (en:Method) | 1972-05-26 | 1972-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6234972U JPS5221513Y2 (en:Method) | 1972-05-26 | 1972-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4921492U JPS4921492U (en:Method) | 1974-02-23 |
| JPS5221513Y2 true JPS5221513Y2 (en:Method) | 1977-05-17 |
Family
ID=27952537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6234972U Expired JPS5221513Y2 (en:Method) | 1972-05-26 | 1972-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5221513Y2 (en:Method) |
-
1972
- 1972-05-26 JP JP6234972U patent/JPS5221513Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4921492U (en:Method) | 1974-02-23 |