JPS6019157Y2 - 内部から容易に開くことができるマンホ−ル蓋構造 - Google Patents
内部から容易に開くことができるマンホ−ル蓋構造Info
- Publication number
- JPS6019157Y2 JPS6019157Y2 JP1978071979U JP7197978U JPS6019157Y2 JP S6019157 Y2 JPS6019157 Y2 JP S6019157Y2 JP 1978071979 U JP1978071979 U JP 1978071979U JP 7197978 U JP7197978 U JP 7197978U JP S6019157 Y2 JPS6019157 Y2 JP S6019157Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- manual
- manhole
- manhole cover
- easily opened
- 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
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1978071979U JPS6019157Y2 (ja) | 1978-05-26 | 1978-05-26 | 内部から容易に開くことができるマンホ−ル蓋構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1978071979U JPS6019157Y2 (ja) | 1978-05-26 | 1978-05-26 | 内部から容易に開くことができるマンホ−ル蓋構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54173561U JPS54173561U (US06312121-20011106-C00033.png) | 1979-12-07 |
JPS6019157Y2 true JPS6019157Y2 (ja) | 1985-06-10 |
Family
ID=28983241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1978071979U Expired JPS6019157Y2 (ja) | 1978-05-26 | 1978-05-26 | 内部から容易に開くことができるマンホ−ル蓋構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6019157Y2 (US06312121-20011106-C00033.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6128527B2 (ja) * | 2014-05-30 | 2017-05-17 | 有限会社エマージェンシー | 地下空間構造物の地上開口部構造 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5038370Y2 (US06312121-20011106-C00033.png) * | 1972-03-21 | 1975-11-06 |
-
1978
- 1978-05-26 JP JP1978071979U patent/JPS6019157Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS54173561U (US06312121-20011106-C00033.png) | 1979-12-07 |
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