JPH0179696U - - Google Patents
Info
- Publication number
- JPH0179696U JPH0179696U JP1987173034U JP17303487U JPH0179696U JP H0179696 U JPH0179696 U JP H0179696U JP 1987173034 U JP1987173034 U JP 1987173034U JP 17303487 U JP17303487 U JP 17303487U JP H0179696 U JPH0179696 U JP H0179696U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- pipe
- air hose
- underground
- tip
- 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
- 239000003351 stiffener Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000003595 mist Substances 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987173034U JPH0179696U (2) | 1987-11-12 | 1987-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987173034U JPH0179696U (2) | 1987-11-12 | 1987-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0179696U true JPH0179696U (2) | 1989-05-29 |
Family
ID=31464973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987173034U Pending JPH0179696U (2) | 1987-11-12 | 1987-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0179696U (2) |
-
1987
- 1987-11-12 JP JP1987173034U patent/JPH0179696U/ja active Pending
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