JPS63173500U - - Google Patents
Info
- Publication number
- JPS63173500U JPS63173500U JP6717087U JP6717087U JPS63173500U JP S63173500 U JPS63173500 U JP S63173500U JP 6717087 U JP6717087 U JP 6717087U JP 6717087 U JP6717087 U JP 6717087U JP S63173500 U JPS63173500 U JP S63173500U
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- spring member
- spring
- ceiling opening
- connecting portion
- 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 |
|---|---|---|---|
| JP6717087U JPH0528318Y2 (https=) | 1987-05-01 | 1987-05-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6717087U JPH0528318Y2 (https=) | 1987-05-01 | 1987-05-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63173500U true JPS63173500U (https=) | 1988-11-10 |
| JPH0528318Y2 JPH0528318Y2 (https=) | 1993-07-20 |
Family
ID=30905833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6717087U Expired - Lifetime JPH0528318Y2 (https=) | 1987-05-01 | 1987-05-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0528318Y2 (https=) |
-
1987
- 1987-05-01 JP JP6717087U patent/JPH0528318Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0528318Y2 (https=) | 1993-07-20 |