JPH01102278U - - Google Patents

Info

Publication number
JPH01102278U
JPH01102278U JP19883487U JP19883487U JPH01102278U JP H01102278 U JPH01102278 U JP H01102278U JP 19883487 U JP19883487 U JP 19883487U JP 19883487 U JP19883487 U JP 19883487U JP H01102278 U JPH01102278 U JP H01102278U
Authority
JP
Japan
Prior art keywords
main
groove
sub
communicates
main groove
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
JP19883487U
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 JP19883487U priority Critical patent/JPH01102278U/ja
Publication of JPH01102278U publication Critical patent/JPH01102278U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Sewage (AREA)
JP19883487U 1987-12-28 1987-12-28 Pending JPH01102278U (US07696358-20100413-C00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19883487U JPH01102278U (US07696358-20100413-C00002.png) 1987-12-28 1987-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19883487U JPH01102278U (US07696358-20100413-C00002.png) 1987-12-28 1987-12-28

Publications (1)

Publication Number Publication Date
JPH01102278U true JPH01102278U (US07696358-20100413-C00002.png) 1989-07-10

Family

ID=31489319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19883487U Pending JPH01102278U (US07696358-20100413-C00002.png) 1987-12-28 1987-12-28

Country Status (1)

Country Link
JP (1) JPH01102278U (US07696358-20100413-C00002.png)

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