JPS62157356U - - Google Patents

Info

Publication number
JPS62157356U
JPS62157356U JP1986043894U JP4389486U JPS62157356U JP S62157356 U JPS62157356 U JP S62157356U JP 1986043894 U JP1986043894 U JP 1986043894U JP 4389486 U JP4389486 U JP 4389486U JP S62157356 U JPS62157356 U JP S62157356U
Authority
JP
Japan
Prior art keywords
cylindrical shape
prestressed concrete
artificial
opening
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
Application number
JP1986043894U
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 JP1986043894U priority Critical patent/JPS62157356U/ja
Publication of JPS62157356U publication Critical patent/JPS62157356U/ja
Pending legal-status Critical Current

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

  • Artificial Fish Reefs (AREA)
JP1986043894U 1986-03-27 1986-03-27 Pending JPS62157356U (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986043894U JPS62157356U (fr) 1986-03-27 1986-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986043894U JPS62157356U (fr) 1986-03-27 1986-03-27

Publications (1)

Publication Number Publication Date
JPS62157356U true JPS62157356U (fr) 1987-10-06

Family

ID=30861187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986043894U Pending JPS62157356U (fr) 1986-03-27 1986-03-27

Country Status (1)

Country Link
JP (1) JPS62157356U (fr)

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