JPH01146855U - - Google Patents
Info
- Publication number
- JPH01146855U JPH01146855U JP1988041917U JP4191788U JPH01146855U JP H01146855 U JPH01146855 U JP H01146855U JP 1988041917 U JP1988041917 U JP 1988041917U JP 4191788 U JP4191788 U JP 4191788U JP H01146855 U JPH01146855 U JP H01146855U
- Authority
- JP
- Japan
- Prior art keywords
- block
- stones
- shells
- sand
- utility
- 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 2
- 239000000463 material Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 229930014626 natural product Natural products 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 |
|---|---|---|---|
| JP1988041917U JPH01146855U (de) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988041917U JPH01146855U (de) | 1988-03-31 | 1988-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146855U true JPH01146855U (de) | 1989-10-11 |
Family
ID=31268343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988041917U Pending JPH01146855U (de) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146855U (de) |
-
1988
- 1988-03-31 JP JP1988041917U patent/JPH01146855U/ja active Pending