JPS64624U - - Google Patents
Info
- Publication number
- JPS64624U JPS64624U JP9215087U JP9215087U JPS64624U JP S64624 U JPS64624 U JP S64624U JP 9215087 U JP9215087 U JP 9215087U JP 9215087 U JP9215087 U JP 9215087U JP S64624 U JPS64624 U JP S64624U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- wave
- dissipating block
- ventilation hole
- stacked
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims 3
Landscapes
- Revetment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9215087U JPH042182Y2 (en]) | 1987-06-16 | 1987-06-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9215087U JPH042182Y2 (en]) | 1987-06-16 | 1987-06-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS64624U true JPS64624U (en]) | 1989-01-05 |
JPH042182Y2 JPH042182Y2 (en]) | 1992-01-24 |
Family
ID=30953591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9215087U Expired JPH042182Y2 (en]) | 1987-06-16 | 1987-06-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH042182Y2 (en]) |
-
1987
- 1987-06-16 JP JP9215087U patent/JPH042182Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH042182Y2 (en]) | 1992-01-24 |