JPS6319424Y2 - - Google Patents
Info
- Publication number
- JPS6319424Y2 JPS6319424Y2 JP13439784U JP13439784U JPS6319424Y2 JP S6319424 Y2 JPS6319424 Y2 JP S6319424Y2 JP 13439784 U JP13439784 U JP 13439784U JP 13439784 U JP13439784 U JP 13439784U JP S6319424 Y2 JPS6319424 Y2 JP S6319424Y2
- Authority
- JP
- Japan
- Prior art keywords
- protrusion
- notch
- lid
- edge
- steel plate
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13439784U JPS6319424Y2 (en, 2012) | 1984-09-04 | 1984-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13439784U JPS6319424Y2 (en, 2012) | 1984-09-04 | 1984-09-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6150179U JPS6150179U (en, 2012) | 1986-04-04 |
| JPS6319424Y2 true JPS6319424Y2 (en, 2012) | 1988-05-31 |
Family
ID=30692908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13439784U Expired JPS6319424Y2 (en, 2012) | 1984-09-04 | 1984-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6319424Y2 (en, 2012) |
-
1984
- 1984-09-04 JP JP13439784U patent/JPS6319424Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6150179U (en, 2012) | 1986-04-04 |