JPS63115485U - - Google Patents
Info
- Publication number
- JPS63115485U JPS63115485U JP553987U JP553987U JPS63115485U JP S63115485 U JPS63115485 U JP S63115485U JP 553987 U JP553987 U JP 553987U JP 553987 U JP553987 U JP 553987U JP S63115485 U JPS63115485 U JP S63115485U
- Authority
- JP
- Japan
- Prior art keywords
- suction
- groove
- lid
- floor surface
- valve
- 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
- 239000000428 dust Substances 0.000 claims 1
Landscapes
- Prevention Of Fouling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP553987U JPH0410950Y2 (https=) | 1987-01-20 | 1987-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP553987U JPH0410950Y2 (https=) | 1987-01-20 | 1987-01-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63115485U true JPS63115485U (https=) | 1988-07-25 |
| JPH0410950Y2 JPH0410950Y2 (https=) | 1992-03-18 |
Family
ID=30787216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP553987U Expired JPH0410950Y2 (https=) | 1987-01-20 | 1987-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410950Y2 (https=) |
-
1987
- 1987-01-20 JP JP553987U patent/JPH0410950Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0410950Y2 (https=) | 1992-03-18 |