JPS63161988U - - Google Patents

Info

Publication number
JPS63161988U
JPS63161988U JP5309987U JP5309987U JPS63161988U JP S63161988 U JPS63161988 U JP S63161988U JP 5309987 U JP5309987 U JP 5309987U JP 5309987 U JP5309987 U JP 5309987U JP S63161988 U JPS63161988 U JP S63161988U
Authority
JP
Japan
Prior art keywords
annular groove
columnar projection
cap
drainage basin
manhole
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
JP5309987U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0355665Y2 (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 JP1987053099U priority Critical patent/JPH0355665Y2/ja
Publication of JPS63161988U publication Critical patent/JPS63161988U/ja
Application granted granted Critical
Publication of JPH0355665Y2 publication Critical patent/JPH0355665Y2/ja
Expired legal-status Critical Current

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  • Sewage (AREA)
JP1987053099U 1987-04-07 1987-04-07 Expired JPH0355665Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987053099U JPH0355665Y2 (enrdf_load_stackoverflow) 1987-04-07 1987-04-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987053099U JPH0355665Y2 (enrdf_load_stackoverflow) 1987-04-07 1987-04-07

Publications (2)

Publication Number Publication Date
JPS63161988U true JPS63161988U (enrdf_load_stackoverflow) 1988-10-21
JPH0355665Y2 JPH0355665Y2 (enrdf_load_stackoverflow) 1991-12-11

Family

ID=30878856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987053099U Expired JPH0355665Y2 (enrdf_load_stackoverflow) 1987-04-07 1987-04-07

Country Status (1)

Country Link
JP (1) JPH0355665Y2 (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737309A (en) * 1980-08-16 1982-03-01 Nippon Kogaku Kk <Nikon> Focal point detection system of microscope

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737309A (en) * 1980-08-16 1982-03-01 Nippon Kogaku Kk <Nikon> Focal point detection system of microscope

Also Published As

Publication number Publication date
JPH0355665Y2 (enrdf_load_stackoverflow) 1991-12-11

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