JPS61183294U - - Google Patents
Info
- Publication number
- JPS61183294U JPS61183294U JP6843285U JP6843285U JPS61183294U JP S61183294 U JPS61183294 U JP S61183294U JP 6843285 U JP6843285 U JP 6843285U JP 6843285 U JP6843285 U JP 6843285U JP S61183294 U JPS61183294 U JP S61183294U
- Authority
- JP
- Japan
- Prior art keywords
- attached
- observation tube
- float
- entrance
- 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.)
- Pending
Links
- 230000009194 climbing Effects 0.000 claims 1
Landscapes
- Ladders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6843285U JPS61183294U (zh) | 1985-05-09 | 1985-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6843285U JPS61183294U (zh) | 1985-05-09 | 1985-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61183294U true JPS61183294U (zh) | 1986-11-15 |
Family
ID=30603175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6843285U Pending JPS61183294U (zh) | 1985-05-09 | 1985-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61183294U (zh) |
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1985
- 1985-05-09 JP JP6843285U patent/JPS61183294U/ja active Pending