JPS5443961B2 - - Google Patents
Info
- Publication number
- JPS5443961B2 JPS5443961B2 JP13056675A JP13056675A JPS5443961B2 JP S5443961 B2 JPS5443961 B2 JP S5443961B2 JP 13056675 A JP13056675 A JP 13056675A JP 13056675 A JP13056675 A JP 13056675A JP S5443961 B2 JPS5443961 B2 JP S5443961B2
- 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 |
|---|---|---|---|
| JP13056675A JPS5257001A (en) | 1975-10-31 | 1975-10-31 | Rotary impact type pneumatic drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13056675A JPS5257001A (en) | 1975-10-31 | 1975-10-31 | Rotary impact type pneumatic drilling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5257001A JPS5257001A (en) | 1977-05-11 |
| JPS5443961B2 true JPS5443961B2 (enExample) | 1979-12-22 |
Family
ID=15037305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13056675A Granted JPS5257001A (en) | 1975-10-31 | 1975-10-31 | Rotary impact type pneumatic drilling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5257001A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS612846Y2 (enExample) * | 1977-05-13 | 1986-01-29 | ||
| JPS5991290A (ja) * | 1982-11-15 | 1984-05-25 | 日本綜合防水株式会社 | 正逆回転式掘削装置 |
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1975
- 1975-10-31 JP JP13056675A patent/JPS5257001A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5257001A (en) | 1977-05-11 |