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
Application number
JP1979021031U
Other languages
English (en)
Japanese (ja)
Other versions
JPS55121657U (enExample
Inventor
茂 吉田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Original Assignee
Asahi Kasei Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asahi Kasei Corp filed Critical Asahi Kasei Corp
Priority to JP1979021031U priority Critical patent/JPS5851745Y2/ja
Publication of JPS55121657U publication Critical patent/JPS55121657U/ja
Application granted granted Critical
Publication of JPS5851745Y2 publication Critical patent/JPS5851745Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Landscapes

  • Farming Of Fish And Shellfish (AREA)
  • Artificial Fish Reefs (AREA)
JP1979021031U 1979-02-22 1979-02-22 魚礁 Expired JPS5851745Y2 (ja)

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)

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