JPH0356699U - - Google Patents

Info

Publication number
JPH0356699U
JPH0356699U JP1989117179U JP11717989U JPH0356699U JP H0356699 U JPH0356699 U JP H0356699U JP 1989117179 U JP1989117179 U JP 1989117179U JP 11717989 U JP11717989 U JP 11717989U JP H0356699 U JPH0356699 U JP H0356699U
Authority
JP
Japan
Prior art keywords
waterway
aeration
water channel
bored
string
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
JP1989117179U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0721279Y2 (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 JP1989117179U priority Critical patent/JPH0721279Y2/ja
Publication of JPH0356699U publication Critical patent/JPH0356699U/ja
Application granted granted Critical
Publication of JPH0721279Y2 publication Critical patent/JPH0721279Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Landscapes

  • Biological Treatment Of Waste Water (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
JP1989117179U 1989-10-03 1989-10-03 汚水処理用曝気装置 Expired - Lifetime JPH0721279Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989117179U JPH0721279Y2 (ja) 1989-10-03 1989-10-03 汚水処理用曝気装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989117179U JPH0721279Y2 (ja) 1989-10-03 1989-10-03 汚水処理用曝気装置

Publications (2)

Publication Number Publication Date
JPH0356699U true JPH0356699U (US08118993-20120221-C00002.png) 1991-05-30
JPH0721279Y2 JPH0721279Y2 (ja) 1995-05-17

Family

ID=31665413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989117179U Expired - Lifetime JPH0721279Y2 (ja) 1989-10-03 1989-10-03 汚水処理用曝気装置

Country Status (1)

Country Link
JP (1) JPH0721279Y2 (US08118993-20120221-C00002.png)

Also Published As

Publication number Publication date
JPH0721279Y2 (ja) 1995-05-17

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term