JPH0198563U - - Google Patents
Info
- Publication number
- JPH0198563U JPH0198563U JP1987191388U JP19138887U JPH0198563U JP H0198563 U JPH0198563 U JP H0198563U JP 1987191388 U JP1987191388 U JP 1987191388U JP 19138887 U JP19138887 U JP 19138887U JP H0198563 U JPH0198563 U JP H0198563U
- Authority
- JP
- Japan
- Prior art keywords
- annular body
- central space
- cylindrical column
- communicate
- outside
- 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
- 241000251468 Actinopterygii Species 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Artificial Fish Reefs (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987191388U JPH0198563U (en]) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987191388U JPH0198563U (en]) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0198563U true JPH0198563U (en]) | 1989-06-30 |
Family
ID=31482304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987191388U Pending JPH0198563U (en]) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0198563U (en]) |
-
1987
- 1987-12-18 JP JP1987191388U patent/JPH0198563U/ja active Pending