JPS623884U - - Google Patents

Info

Publication number
JPS623884U
JPS623884U JP8790385U JP8790385U JPS623884U JP S623884 U JPS623884 U JP S623884U JP 8790385 U JP8790385 U JP 8790385U JP 8790385 U JP8790385 U JP 8790385U JP S623884 U JPS623884 U JP S623884U
Authority
JP
Japan
Prior art keywords
annular groove
bottom block
manhole
outer peripheral
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.)
Granted
Application number
JP8790385U
Other languages
English (en)
Japanese (ja)
Other versions
JPH018621Y2 (enrdf_load_stackoverflow
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 JP8790385U priority Critical patent/JPH018621Y2/ja
Publication of JPS623884U publication Critical patent/JPS623884U/ja
Application granted granted Critical
Publication of JPH018621Y2 publication Critical patent/JPH018621Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Sewage (AREA)
JP8790385U 1985-06-11 1985-06-11 Expired JPH018621Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8790385U JPH018621Y2 (enrdf_load_stackoverflow) 1985-06-11 1985-06-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8790385U JPH018621Y2 (enrdf_load_stackoverflow) 1985-06-11 1985-06-11

Publications (2)

Publication Number Publication Date
JPS623884U true JPS623884U (enrdf_load_stackoverflow) 1987-01-10
JPH018621Y2 JPH018621Y2 (enrdf_load_stackoverflow) 1989-03-08

Family

ID=30640544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8790385U Expired JPH018621Y2 (enrdf_load_stackoverflow) 1985-06-11 1985-06-11

Country Status (1)

Country Link
JP (1) JPH018621Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH018621Y2 (enrdf_load_stackoverflow) 1989-03-08

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