JPH042182Y2 - - Google Patents
Info
- Publication number
- JPH042182Y2 JPH042182Y2 JP9215087U JP9215087U JPH042182Y2 JP H042182 Y2 JPH042182 Y2 JP H042182Y2 JP 9215087 U JP9215087 U JP 9215087U JP 9215087 U JP9215087 U JP 9215087U JP H042182 Y2 JPH042182 Y2 JP H042182Y2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- wave
- waves
- dissipating block
- dissipating
- 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
- 238000009423 ventilation Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 230000000979 retarding effect Effects 0.000 description 6
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Landscapes
- Revetment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9215087U JPH042182Y2 (US07223432-20070529-C00017.png) | 1987-06-16 | 1987-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9215087U JPH042182Y2 (US07223432-20070529-C00017.png) | 1987-06-16 | 1987-06-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS64624U JPS64624U (US07223432-20070529-C00017.png) | 1989-01-05 |
| JPH042182Y2 true JPH042182Y2 (US07223432-20070529-C00017.png) | 1992-01-24 |
Family
ID=30953591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9215087U Expired JPH042182Y2 (US07223432-20070529-C00017.png) | 1987-06-16 | 1987-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042182Y2 (US07223432-20070529-C00017.png) |
-
1987
- 1987-06-16 JP JP9215087U patent/JPH042182Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS64624U (US07223432-20070529-C00017.png) | 1989-01-05 |
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