JPH033432U - - Google Patents

Info

Publication number
JPH033432U
JPH033432U JP1989060954U JP6095489U JPH033432U JP H033432 U JPH033432 U JP H033432U JP 1989060954 U JP1989060954 U JP 1989060954U JP 6095489 U JP6095489 U JP 6095489U JP H033432 U JPH033432 U JP H033432U
Authority
JP
Japan
Prior art keywords
opening
main pipe
gas cap
valve seat
gas
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
JP1989060954U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0621543Y2 (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 JP1989060954U priority Critical patent/JPH0621543Y2/ja
Publication of JPH033432U publication Critical patent/JPH033432U/ja
Application granted granted Critical
Publication of JPH0621543Y2 publication Critical patent/JPH0621543Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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

  • Check Valves (AREA)
  • Gas Separation By Absorption (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
JP1989060954U 1989-05-29 1989-05-29 散気装置 Expired - Lifetime JPH0621543Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989060954U JPH0621543Y2 (ja) 1989-05-29 1989-05-29 散気装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989060954U JPH0621543Y2 (ja) 1989-05-29 1989-05-29 散気装置

Publications (2)

Publication Number Publication Date
JPH033432U true JPH033432U (en]) 1991-01-14
JPH0621543Y2 JPH0621543Y2 (ja) 1994-06-08

Family

ID=31588775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989060954U Expired - Lifetime JPH0621543Y2 (ja) 1989-05-29 1989-05-29 散気装置

Country Status (1)

Country Link
JP (1) JPH0621543Y2 (en])

Also Published As

Publication number Publication date
JPH0621543Y2 (ja) 1994-06-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term