JPH0278061U - - Google Patents

Info

Publication number
JPH0278061U
JPH0278061U JP1988158503U JP15850388U JPH0278061U JP H0278061 U JPH0278061 U JP H0278061U JP 1988158503 U JP1988158503 U JP 1988158503U JP 15850388 U JP15850388 U JP 15850388U JP H0278061 U JPH0278061 U JP H0278061U
Authority
JP
Japan
Prior art keywords
shaped structure
hollow box
water
oxygen
tide
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.)
Granted
Application number
JP1988158503U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0621332Y2 (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 JP1988158503U priority Critical patent/JPH0621332Y2/ja
Publication of JPH0278061U publication Critical patent/JPH0278061U/ja
Application granted granted Critical
Publication of JPH0621332Y2 publication Critical patent/JPH0621332Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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

  • Farming Of Fish And Shellfish (AREA)
JP1988158503U 1988-12-07 1988-12-07 貧酸素水塊発生防止装置 Expired - Fee Related JPH0621332Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988158503U JPH0621332Y2 (ja) 1988-12-07 1988-12-07 貧酸素水塊発生防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988158503U JPH0621332Y2 (ja) 1988-12-07 1988-12-07 貧酸素水塊発生防止装置

Publications (2)

Publication Number Publication Date
JPH0278061U true JPH0278061U (enrdf_load_stackoverflow) 1990-06-15
JPH0621332Y2 JPH0621332Y2 (ja) 1994-06-08

Family

ID=31438892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988158503U Expired - Fee Related JPH0621332Y2 (ja) 1988-12-07 1988-12-07 貧酸素水塊発生防止装置

Country Status (1)

Country Link
JP (1) JPH0621332Y2 (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111029A (en) * 1978-02-20 1979-08-31 Mitsuo Mukouno Surge air compressor
JPS5550831A (en) * 1978-10-11 1980-04-14 Ikushima Zouki Kk Method and apparatus forpreventing lack of oxygen of fishes * shellfishes and the like in cultivation fishery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111029A (en) * 1978-02-20 1979-08-31 Mitsuo Mukouno Surge air compressor
JPS5550831A (en) * 1978-10-11 1980-04-14 Ikushima Zouki Kk Method and apparatus forpreventing lack of oxygen of fishes * shellfishes and the like in cultivation fishery

Also Published As

Publication number Publication date
JPH0621332Y2 (ja) 1994-06-08

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees