JPH0452309Y2 - - Google Patents
Info
- Publication number
- JPH0452309Y2 JPH0452309Y2 JP2073187U JP2073187U JPH0452309Y2 JP H0452309 Y2 JPH0452309 Y2 JP H0452309Y2 JP 2073187 U JP2073187 U JP 2073187U JP 2073187 U JP2073187 U JP 2073187U JP H0452309 Y2 JPH0452309 Y2 JP H0452309Y2
- Authority
- JP
- Japan
- Prior art keywords
- brush
- sides
- block
- sponge
- tunnel
- 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.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims 1
- 230000005641 tunneling Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2073187U JPH0452309Y2 (en。) | 1987-02-17 | 1987-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2073187U JPH0452309Y2 (en。) | 1987-02-17 | 1987-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63130593U JPS63130593U (en。) | 1988-08-26 |
| JPH0452309Y2 true JPH0452309Y2 (en。) | 1992-12-09 |
Family
ID=30816511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2073187U Expired JPH0452309Y2 (en。) | 1987-02-17 | 1987-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452309Y2 (en。) |
-
1987
- 1987-02-17 JP JP2073187U patent/JPH0452309Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63130593U (en。) | 1988-08-26 |
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