JPS5431002A - Spot facing apparatus for oil pressure rock drill - Google Patents
Spot facing apparatus for oil pressure rock drillInfo
- Publication number
- JPS5431002A JPS5431002A JP9681477A JP9681477A JPS5431002A JP S5431002 A JPS5431002 A JP S5431002A JP 9681477 A JP9681477 A JP 9681477A JP 9681477 A JP9681477 A JP 9681477A JP S5431002 A JPS5431002 A JP S5431002A
- Authority
- JP
- Japan
- Prior art keywords
- oil pressure
- rock drill
- spot facing
- pressure rock
- facing apparatus
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9681477A JPS5431002A (en) | 1977-08-12 | 1977-08-12 | Spot facing apparatus for oil pressure rock drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9681477A JPS5431002A (en) | 1977-08-12 | 1977-08-12 | Spot facing apparatus for oil pressure rock drill |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5431002A true JPS5431002A (en) | 1979-03-07 |
JPS5723078B2 JPS5723078B2 (en) | 1982-05-17 |
Family
ID=14175048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9681477A Granted JPS5431002A (en) | 1977-08-12 | 1977-08-12 | Spot facing apparatus for oil pressure rock drill |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5431002A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4639106A (en) * | 1985-04-26 | 1987-01-27 | Sundstrand Data Control, Inc. | Aircraft video projection system |
-
1977
- 1977-08-12 JP JP9681477A patent/JPS5431002A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5723078B2 (en) | 1982-05-17 |
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