JPH01157999U - - Google Patents

Info

Publication number
JPH01157999U
JPH01157999U JP5280188U JP5280188U JPH01157999U JP H01157999 U JPH01157999 U JP H01157999U JP 5280188 U JP5280188 U JP 5280188U JP 5280188 U JP5280188 U JP 5280188U JP H01157999 U JPH01157999 U JP H01157999U
Authority
JP
Japan
Prior art keywords
gas
outer shell
guide ring
floated
drilled
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.)
Pending
Application number
JP5280188U
Other languages
English (en)
Japanese (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 JP5280188U priority Critical patent/JPH01157999U/ja
Publication of JPH01157999U publication Critical patent/JPH01157999U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
JP5280188U 1988-04-21 1988-04-21 Pending JPH01157999U (US20090163788A1-20090625-C00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5280188U JPH01157999U (US20090163788A1-20090625-C00002.png) 1988-04-21 1988-04-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5280188U JPH01157999U (US20090163788A1-20090625-C00002.png) 1988-04-21 1988-04-21

Publications (1)

Publication Number Publication Date
JPH01157999U true JPH01157999U (US20090163788A1-20090625-C00002.png) 1989-10-31

Family

ID=31278799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5280188U Pending JPH01157999U (US20090163788A1-20090625-C00002.png) 1988-04-21 1988-04-21

Country Status (1)

Country Link
JP (1) JPH01157999U (US20090163788A1-20090625-C00002.png)

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