JPH0417635Y2 - - Google Patents
Info
- Publication number
- JPH0417635Y2 JPH0417635Y2 JP17804086U JP17804086U JPH0417635Y2 JP H0417635 Y2 JPH0417635 Y2 JP H0417635Y2 JP 17804086 U JP17804086 U JP 17804086U JP 17804086 U JP17804086 U JP 17804086U JP H0417635 Y2 JPH0417635 Y2 JP H0417635Y2
- Authority
- JP
- Japan
- Prior art keywords
- handle
- manhole
- groove
- board
- manhole frame
- 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
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Ladders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17804086U JPH0417635Y2 (ru) | 1986-11-19 | 1986-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17804086U JPH0417635Y2 (ru) | 1986-11-19 | 1986-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6386150U JPS6386150U (ru) | 1988-06-06 |
| JPH0417635Y2 true JPH0417635Y2 (ru) | 1992-04-20 |
Family
ID=31119797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17804086U Expired JPH0417635Y2 (ru) | 1986-11-19 | 1986-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417635Y2 (ru) |
-
1986
- 1986-11-19 JP JP17804086U patent/JPH0417635Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6386150U (ru) | 1988-06-06 |
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