JPH0198228U - - Google Patents

Info

Publication number
JPH0198228U
JPH0198228U JP1987193149U JP19314987U JPH0198228U JP H0198228 U JPH0198228 U JP H0198228U JP 1987193149 U JP1987193149 U JP 1987193149U JP 19314987 U JP19314987 U JP 19314987U JP H0198228 U JPH0198228 U JP H0198228U
Authority
JP
Japan
Prior art keywords
block
reinforcing
fish
exit
enter
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
Application number
JP1987193149U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1987193149U priority Critical patent/JPH0198228U/ja
Publication of JPH0198228U publication Critical patent/JPH0198228U/ja
Pending 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

  • Artificial Fish Reefs (AREA)
  • Retaining Walls (AREA)
  • Revetment (AREA)
JP1987193149U 1987-12-18 1987-12-18 Pending JPH0198228U (US06521211-20030218-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987193149U JPH0198228U (US06521211-20030218-C00004.png) 1987-12-18 1987-12-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987193149U JPH0198228U (US06521211-20030218-C00004.png) 1987-12-18 1987-12-18

Publications (1)

Publication Number Publication Date
JPH0198228U true JPH0198228U (US06521211-20030218-C00004.png) 1989-06-30

Family

ID=31483964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987193149U Pending JPH0198228U (US06521211-20030218-C00004.png) 1987-12-18 1987-12-18

Country Status (1)

Country Link
JP (1) JPH0198228U (US06521211-20030218-C00004.png)

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