JPS58181900U - マンホ−ル用補助梯子 - Google Patents
マンホ−ル用補助梯子Info
- Publication number
- JPS58181900U JPS58181900U JP7963282U JP7963282U JPS58181900U JP S58181900 U JPS58181900 U JP S58181900U JP 7963282 U JP7963282 U JP 7963282U JP 7963282 U JP7963282 U JP 7963282U JP S58181900 U JPS58181900 U JP S58181900U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- ladder
- bending
- manhole
- tension rod
- 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
- 238000005452 bending Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
Landscapes
- Ladders (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7963282U JPS58181900U (ja) | 1982-05-31 | 1982-05-31 | マンホ−ル用補助梯子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7963282U JPS58181900U (ja) | 1982-05-31 | 1982-05-31 | マンホ−ル用補助梯子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58181900U true JPS58181900U (ja) | 1983-12-05 |
JPS63840Y2 JPS63840Y2 (enrdf_load_stackoverflow) | 1988-01-11 |
Family
ID=30088810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7963282U Granted JPS58181900U (ja) | 1982-05-31 | 1982-05-31 | マンホ−ル用補助梯子 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58181900U (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100732973B1 (ko) * | 2002-06-28 | 2007-06-27 | 주식회사 케이티 | 지하구조물 출입구의 발판 |
-
1982
- 1982-05-31 JP JP7963282U patent/JPS58181900U/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100732973B1 (ko) * | 2002-06-28 | 2007-06-27 | 주식회사 케이티 | 지하구조물 출입구의 발판 |
Also Published As
Publication number | Publication date |
---|---|
JPS63840Y2 (enrdf_load_stackoverflow) | 1988-01-11 |
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