JPH01156293U - - Google Patents
Info
- Publication number
- JPH01156293U JPH01156293U JP4833088U JP4833088U JPH01156293U JP H01156293 U JPH01156293 U JP H01156293U JP 4833088 U JP4833088 U JP 4833088U JP 4833088 U JP4833088 U JP 4833088U JP H01156293 U JPH01156293 U JP H01156293U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- tip
- civil engineering
- view
- hood
- 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.)
- Pending
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4833088U JPH01156293U (en, 2012) | 1988-04-12 | 1988-04-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4833088U JPH01156293U (en, 2012) | 1988-04-12 | 1988-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01156293U true JPH01156293U (en, 2012) | 1989-10-26 |
Family
ID=31274486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4833088U Pending JPH01156293U (en, 2012) | 1988-04-12 | 1988-04-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01156293U (en, 2012) |
-
1988
- 1988-04-12 JP JP4833088U patent/JPH01156293U/ja active Pending