JPS612218Y2 - - Google Patents
Info
- Publication number
- JPS612218Y2 JPS612218Y2 JP6448281U JP6448281U JPS612218Y2 JP S612218 Y2 JPS612218 Y2 JP S612218Y2 JP 6448281 U JP6448281 U JP 6448281U JP 6448281 U JP6448281 U JP 6448281U JP S612218 Y2 JPS612218 Y2 JP S612218Y2
- 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
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6448281U JPS612218Y2 (https=) | 1981-04-30 | 1981-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6448281U JPS612218Y2 (https=) | 1981-04-30 | 1981-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57178889U JPS57178889U (https=) | 1982-11-12 |
| JPS612218Y2 true JPS612218Y2 (https=) | 1986-01-24 |
Family
ID=29860540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6448281U Expired JPS612218Y2 (https=) | 1981-04-30 | 1981-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS612218Y2 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58222289A (ja) * | 1982-06-18 | 1983-12-23 | 三菱マテリアル株式会社 | ロツクビツト |
| JP4511060B2 (ja) * | 2001-02-14 | 2010-07-28 | 株式会社タンガロイ | 穿孔用ビット |
-
1981
- 1981-04-30 JP JP6448281U patent/JPS612218Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57178889U (https=) | 1982-11-12 |