JPH0730757Y2 - マンホール - Google Patents
マンホールInfo
- Publication number
- JPH0730757Y2 JPH0730757Y2 JP1987001556U JP155687U JPH0730757Y2 JP H0730757 Y2 JPH0730757 Y2 JP H0730757Y2 JP 1987001556 U JP1987001556 U JP 1987001556U JP 155687 U JP155687 U JP 155687U JP H0730757 Y2 JPH0730757 Y2 JP H0730757Y2
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- manhole cover
- seat
- wall
- sheet
- 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.)
- Expired - Lifetime
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987001556U JPH0730757Y2 (ja) | 1987-01-09 | 1987-01-09 | マンホール |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987001556U JPH0730757Y2 (ja) | 1987-01-09 | 1987-01-09 | マンホール |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63112549U JPS63112549U (US07714131-20100511-C00038.png) | 1988-07-20 |
JPH0730757Y2 true JPH0730757Y2 (ja) | 1995-07-19 |
Family
ID=30779574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987001556U Expired - Lifetime JPH0730757Y2 (ja) | 1987-01-09 | 1987-01-09 | マンホール |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0730757Y2 (US07714131-20100511-C00038.png) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5022821A (US07714131-20100511-C00038.png) * | 1973-06-28 | 1975-03-11 | ||
JPS5082548U (US07714131-20100511-C00038.png) * | 1973-11-29 | 1975-07-15 |
-
1987
- 1987-01-09 JP JP1987001556U patent/JPH0730757Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63112549U (US07714131-20100511-C00038.png) | 1988-07-20 |
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