JPS5851745Y2 - 魚礁 - Google Patents
魚礁Info
- Publication number
- JPS5851745Y2 JPS5851745Y2 JP1979021031U JP2103179U JPS5851745Y2 JP S5851745 Y2 JPS5851745 Y2 JP S5851745Y2 JP 1979021031 U JP1979021031 U JP 1979021031U JP 2103179 U JP2103179 U JP 2103179U JP S5851745 Y2 JPS5851745 Y2 JP S5851745Y2
- Authority
- JP
- Japan
- Prior art keywords
- fish reef
- utility
- concrete
- model registration
- cylinders
- 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
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
- Farming Of Fish And Shellfish (AREA)
- Artificial Fish Reefs (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979021031U JPS5851745Y2 (ja) | 1979-02-22 | 1979-02-22 | 魚礁 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979021031U JPS5851745Y2 (ja) | 1979-02-22 | 1979-02-22 | 魚礁 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55121657U JPS55121657U (enExample) | 1980-08-29 |
| JPS5851745Y2 true JPS5851745Y2 (ja) | 1983-11-25 |
Family
ID=28853135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979021031U Expired JPS5851745Y2 (ja) | 1979-02-22 | 1979-02-22 | 魚礁 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5851745Y2 (enExample) |
-
1979
- 1979-02-22 JP JP1979021031U patent/JPS5851745Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55121657U (enExample) | 1980-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE4442869C2 (de) | Läufer für eine elektrische Maschine und Verfahren zur Herstellung eines solchen | |
| EP0227207A2 (en) | Concrete reinforcing unit | |
| US4538780A (en) | Ultralight composite wing structure | |
| CA1130526A (en) | Method for producing reinforced plastic tubular body having annular grooves and mold therefor | |
| KR890004175B1 (ko) | 콘크리트 구조물과 그의 제조방법 | |
| US3692607A (en) | Method and apparatus for making a reinforced plastic well screen | |
| JPS5851745Y2 (ja) | 魚礁 | |
| FI71365C (fi) | Siltrumma foer massa och dylikt | |
| JPS6112467A (ja) | 回転モ−メントを伝達するための構造体およびこの構造体を巻取り成形するための芯 | |
| DE2832573C2 (de) | Munitionsbunker | |
| US3295558A (en) | Filament wound structure | |
| JPH047695B2 (enExample) | ||
| JPS5839857Y2 (ja) | コンクリ−ト二次製品の成型装置 | |
| AT500139A1 (de) | Ringelement | |
| JPH0733073B2 (ja) | 繊維強化複合材製パイプ構造体とその製造方法 | |
| JPH0371760U (enExample) | ||
| JPS5846994B2 (ja) | 束ね形組立ポ−ル | |
| SU1677386A1 (ru) | Вал из композитного материала | |
| DE2237247C3 (de) | Schwungrad | |
| JPS55164126A (en) | Manufacture of fiber-reinforced plastic coil spring | |
| SU742138A1 (ru) | Пустотообразователь | |
| JPS5614642A (en) | Ridge belt | |
| JPS61262109A (ja) | 繊維強化樹脂製スプ−ル及びその製法 | |
| JPH036420Y2 (enExample) | ||
| JPS6223736A (ja) | Frp製円形グレ−チングとその製造方法 |