JPH0232059Y2 - - Google Patents

Info

Publication number
JPH0232059Y2
JPH0232059Y2 JP1983061854U JP6185483U JPH0232059Y2 JP H0232059 Y2 JPH0232059 Y2 JP H0232059Y2 JP 1983061854 U JP1983061854 U JP 1983061854U JP 6185483 U JP6185483 U JP 6185483U JP H0232059 Y2 JPH0232059 Y2 JP H0232059Y2
Authority
JP
Japan
Prior art keywords
air
water
coral
stone
air stone
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
JP1983061854U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59166657U (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 JP1983061854U priority Critical patent/JPS59166657U/ja
Publication of JPS59166657U publication Critical patent/JPS59166657U/ja
Application granted granted Critical
Publication of JPH0232059Y2 publication Critical patent/JPH0232059Y2/ja
Granted 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Farming Of Fish And Shellfish (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
JP1983061854U 1983-04-25 1983-04-25 エアスト−ン Granted JPS59166657U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983061854U JPS59166657U (ja) 1983-04-25 1983-04-25 エアスト−ン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983061854U JPS59166657U (ja) 1983-04-25 1983-04-25 エアスト−ン

Publications (2)

Publication Number Publication Date
JPS59166657U JPS59166657U (ja) 1984-11-08
JPH0232059Y2 true JPH0232059Y2 (enrdf_load_stackoverflow) 1990-08-30

Family

ID=30192069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983061854U Granted JPS59166657U (ja) 1983-04-25 1983-04-25 エアスト−ン

Country Status (1)

Country Link
JP (1) JPS59166657U (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2782360B2 (ja) * 1989-07-21 1998-07-30 大成建設株式会社 水質の改善方法

Also Published As

Publication number Publication date
JPS59166657U (ja) 1984-11-08

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