JPH0312819Y2 - - Google Patents
Info
- Publication number
- JPH0312819Y2 JPH0312819Y2 JP5454385U JP5454385U JPH0312819Y2 JP H0312819 Y2 JPH0312819 Y2 JP H0312819Y2 JP 5454385 U JP5454385 U JP 5454385U JP 5454385 U JP5454385 U JP 5454385U JP H0312819 Y2 JPH0312819 Y2 JP H0312819Y2
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- locking
- pair
- corner
- angle
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 208000011092 Hand injury Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Ladders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5454385U JPH0312819Y2 (cg-RX-API-DMAC10.html) | 1985-04-12 | 1985-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5454385U JPH0312819Y2 (cg-RX-API-DMAC10.html) | 1985-04-12 | 1985-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61173555U JPS61173555U (cg-RX-API-DMAC10.html) | 1986-10-28 |
| JPH0312819Y2 true JPH0312819Y2 (cg-RX-API-DMAC10.html) | 1991-03-26 |
Family
ID=30576397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5454385U Expired JPH0312819Y2 (cg-RX-API-DMAC10.html) | 1985-04-12 | 1985-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312819Y2 (cg-RX-API-DMAC10.html) |
-
1985
- 1985-04-12 JP JP5454385U patent/JPH0312819Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61173555U (cg-RX-API-DMAC10.html) | 1986-10-28 |
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