JPH0169847U - - Google Patents
Info
- Publication number
- JPH0169847U JPH0169847U JP1987165901U JP16590187U JPH0169847U JP H0169847 U JPH0169847 U JP H0169847U JP 1987165901 U JP1987165901 U JP 1987165901U JP 16590187 U JP16590187 U JP 16590187U JP H0169847 U JPH0169847 U JP H0169847U
- Authority
- JP
- Japan
- Prior art keywords
- protrusion
- locking part
- key
- iron
- cover
- 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 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000012856 packing Methods 0.000 description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16590187U JPH069074Y2 (ja) | 1987-10-29 | 1987-10-29 | マンホールカバー開閉用操作穴の閉成ロック装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16590187U JPH069074Y2 (ja) | 1987-10-29 | 1987-10-29 | マンホールカバー開閉用操作穴の閉成ロック装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0169847U true JPH0169847U (zh) | 1989-05-09 |
| JPH069074Y2 JPH069074Y2 (ja) | 1994-03-09 |
Family
ID=31452806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16590187U Expired - Lifetime JPH069074Y2 (ja) | 1987-10-29 | 1987-10-29 | マンホールカバー開閉用操作穴の閉成ロック装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH069074Y2 (zh) |
-
1987
- 1987-10-29 JP JP16590187U patent/JPH069074Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH069074Y2 (ja) | 1994-03-09 |