JPH0242952U - - Google Patents
Info
- Publication number
- JPH0242952U JPH0242952U JP12044188U JP12044188U JPH0242952U JP H0242952 U JPH0242952 U JP H0242952U JP 12044188 U JP12044188 U JP 12044188U JP 12044188 U JP12044188 U JP 12044188U JP H0242952 U JPH0242952 U JP H0242952U
- Authority
- JP
- Japan
- Prior art keywords
- iron lid
- hand hook
- crowbar
- iron
- lid
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 230000002265 prevention Effects 0.000 claims description 11
- 238000005188 flotation Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12044188U JPH0629237Y2 (ja) | 1988-09-16 | 1988-09-16 | マンホール蓋の雨水流入防止及びロック装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12044188U JPH0629237Y2 (ja) | 1988-09-16 | 1988-09-16 | マンホール蓋の雨水流入防止及びロック装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0242952U true JPH0242952U (un) | 1990-03-26 |
| JPH0629237Y2 JPH0629237Y2 (ja) | 1994-08-10 |
Family
ID=31366552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12044188U Expired - Lifetime JPH0629237Y2 (ja) | 1988-09-16 | 1988-09-16 | マンホール蓋の雨水流入防止及びロック装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629237Y2 (un) |
-
1988
- 1988-09-16 JP JP12044188U patent/JPH0629237Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0629237Y2 (ja) | 1994-08-10 |
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