JPS539442B2 - - Google Patents
Info
- Publication number
- JPS539442B2 JPS539442B2 JP7508675A JP7508675A JPS539442B2 JP S539442 B2 JPS539442 B2 JP S539442B2 JP 7508675 A JP7508675 A JP 7508675A JP 7508675 A JP7508675 A JP 7508675A JP S539442 B2 JPS539442 B2 JP S539442B2
- 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 |
|---|---|---|---|
| JP7508675A JPS51150804A (en) | 1975-06-20 | 1975-06-20 | Device for enlarging hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7508675A JPS51150804A (en) | 1975-06-20 | 1975-06-20 | Device for enlarging hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51150804A JPS51150804A (en) | 1976-12-24 |
| JPS539442B2 true JPS539442B2 (OSRAM) | 1978-04-06 |
Family
ID=13566002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7508675A Granted JPS51150804A (en) | 1975-06-20 | 1975-06-20 | Device for enlarging hole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51150804A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6059073B2 (ja) * | 2013-04-26 | 2017-01-11 | Ｆｓテクニカル株式会社 | 拡径用ドリルビット |
-
1975
- 1975-06-20 JP JP7508675A patent/JPS51150804A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51150804A (en) | 1976-12-24 |