JPH0617874Y2 - 鉄蓋の孔開閉構造 - Google Patents
鉄蓋の孔開閉構造Info
- Publication number
- JPH0617874Y2 JPH0617874Y2 JP1987105803U JP10580387U JPH0617874Y2 JP H0617874 Y2 JPH0617874 Y2 JP H0617874Y2 JP 1987105803 U JP1987105803 U JP 1987105803U JP 10580387 U JP10580387 U JP 10580387U JP H0617874 Y2 JPH0617874 Y2 JP H0617874Y2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- iron lid
- hole
- closing
- closing member
- 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 |
---|---|---|---|
JP1987105803U JPH0617874Y2 (ja) | 1987-07-09 | 1987-07-09 | 鉄蓋の孔開閉構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987105803U JPH0617874Y2 (ja) | 1987-07-09 | 1987-07-09 | 鉄蓋の孔開閉構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6410555U JPS6410555U (US20030199744A1-20031023-C00003.png) | 1989-01-20 |
JPH0617874Y2 true JPH0617874Y2 (ja) | 1994-05-11 |
Family
ID=31338745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987105803U Expired - Lifetime JPH0617874Y2 (ja) | 1987-07-09 | 1987-07-09 | 鉄蓋の孔開閉構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0617874Y2 (US20030199744A1-20031023-C00003.png) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS583891Y2 (ja) * | 1980-12-10 | 1983-01-22 | 日昭興産株式会社 | 地下連結用蓋の孔開閉構造 |
-
1987
- 1987-07-09 JP JP1987105803U patent/JPH0617874Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS6410555U (US20030199744A1-20031023-C00003.png) | 1989-01-20 |
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