JPH042184Y2 - - Google Patents

Info

Publication number
JPH042184Y2
JPH042184Y2 JP1989139089U JP13908989U JPH042184Y2 JP H042184 Y2 JPH042184 Y2 JP H042184Y2 JP 1989139089 U JP1989139089 U JP 1989139089U JP 13908989 U JP13908989 U JP 13908989U JP H042184 Y2 JPH042184 Y2 JP H042184Y2
Authority
JP
Japan
Prior art keywords
vertical wall
base portion
fish
block
hollow
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
JP1989139089U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0379325U (en]
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 JP1989139089U priority Critical patent/JPH042184Y2/ja
Publication of JPH0379325U publication Critical patent/JPH0379325U/ja
Application granted granted Critical
Publication of JPH042184Y2 publication Critical patent/JPH042184Y2/ja
Expired 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)
  • Sewage (AREA)
JP1989139089U 1989-11-29 1989-11-29 Expired JPH042184Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989139089U JPH042184Y2 (en]) 1989-11-29 1989-11-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989139089U JPH042184Y2 (en]) 1989-11-29 1989-11-29

Publications (2)

Publication Number Publication Date
JPH0379325U JPH0379325U (en]) 1991-08-13
JPH042184Y2 true JPH042184Y2 (en]) 1992-01-24

Family

ID=31686150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989139089U Expired JPH042184Y2 (en]) 1989-11-29 1989-11-29

Country Status (1)

Country Link
JP (1) JPH042184Y2 (en])

Also Published As

Publication number Publication date
JPH0379325U (en]) 1991-08-13

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