JPS6414246U - - Google Patents
Info
- Publication number
- JPS6414246U JPS6414246U JP10935687U JP10935687U JPS6414246U JP S6414246 U JPS6414246 U JP S6414246U JP 10935687 U JP10935687 U JP 10935687U JP 10935687 U JP10935687 U JP 10935687U JP S6414246 U JPS6414246 U JP S6414246U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- opening
- closes
- synthetic resin
- utility
- 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
Links
- 239000006260 foam Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10935687U JPS6414246U (zh) | 1987-07-16 | 1987-07-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10935687U JPS6414246U (zh) | 1987-07-16 | 1987-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6414246U true JPS6414246U (zh) | 1989-01-25 |
Family
ID=31345525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10935687U Pending JPS6414246U (zh) | 1987-07-16 | 1987-07-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6414246U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003020671A (ja) * | 2001-07-10 | 2003-01-24 | Nippon Chutetsukan Kk | マンホールの断熱用中蓋 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5625752B2 (zh) * | 1972-02-02 | 1981-06-15 |
-
1987
- 1987-07-16 JP JP10935687U patent/JPS6414246U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5625752B2 (zh) * | 1972-02-02 | 1981-06-15 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003020671A (ja) * | 2001-07-10 | 2003-01-24 | Nippon Chutetsukan Kk | マンホールの断熱用中蓋 |