JPH02114407U - - Google Patents
Info
- Publication number
- JPH02114407U JPH02114407U JP2390889U JP2390889U JPH02114407U JP H02114407 U JPH02114407 U JP H02114407U JP 2390889 U JP2390889 U JP 2390889U JP 2390889 U JP2390889 U JP 2390889U JP H02114407 U JPH02114407 U JP H02114407U
- Authority
- JP
- Japan
- Prior art keywords
- drilling machine
- pipe
- actuating body
- hole
- pipe drilling
- 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
- 238000005553 drilling Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 2
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2390889U JPH02114407U (cs) | 1989-03-01 | 1989-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2390889U JPH02114407U (cs) | 1989-03-01 | 1989-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02114407U true JPH02114407U (cs) | 1990-09-13 |
Family
ID=31243298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2390889U Pending JPH02114407U (cs) | 1989-03-01 | 1989-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02114407U (cs) |
-
1989
- 1989-03-01 JP JP2390889U patent/JPH02114407U/ja active Pending
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