JPS61184751U - - Google Patents
Info
- Publication number
- JPS61184751U JPS61184751U JP6989685U JP6989685U JPS61184751U JP S61184751 U JPS61184751 U JP S61184751U JP 6989685 U JP6989685 U JP 6989685U JP 6989685 U JP6989685 U JP 6989685U JP S61184751 U JPS61184751 U JP S61184751U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- entrance
- view
- ladder
- exit
- 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
Landscapes
- Ladders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6989685U JPH0312820Y2 (hu) | 1985-05-11 | 1985-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6989685U JPH0312820Y2 (hu) | 1985-05-11 | 1985-05-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61184751U true JPS61184751U (hu) | 1986-11-18 |
| JPH0312820Y2 JPH0312820Y2 (hu) | 1991-03-26 |
Family
ID=30606001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6989685U Expired JPH0312820Y2 (hu) | 1985-05-11 | 1985-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312820Y2 (hu) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011247078A (ja) * | 2010-04-27 | 2011-12-08 | Stec Co Ltd | 可動梯子 |
| JP5626938B1 (ja) * | 2013-06-25 | 2014-11-19 | 株式会社東洋技研 | 安全梯子 |
| JP2019124055A (ja) * | 2018-01-17 | 2019-07-25 | 阿南電機株式会社 | マンホール用安全柵装置 |
| JP2021031990A (ja) * | 2019-08-27 | 2021-03-01 | 阿南電機株式会社 | マンホール用昇降式安全柵 |
-
1985
- 1985-05-11 JP JP6989685U patent/JPH0312820Y2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011247078A (ja) * | 2010-04-27 | 2011-12-08 | Stec Co Ltd | 可動梯子 |
| JP5626938B1 (ja) * | 2013-06-25 | 2014-11-19 | 株式会社東洋技研 | 安全梯子 |
| JP2019124055A (ja) * | 2018-01-17 | 2019-07-25 | 阿南電機株式会社 | マンホール用安全柵装置 |
| JP2021031990A (ja) * | 2019-08-27 | 2021-03-01 | 阿南電機株式会社 | マンホール用昇降式安全柵 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0312820Y2 (hu) | 1991-03-26 |