JPS63169063U - - Google Patents
Info
- Publication number
- JPS63169063U JPS63169063U JP6163787U JP6163787U JPS63169063U JP S63169063 U JPS63169063 U JP S63169063U JP 6163787 U JP6163787 U JP 6163787U JP 6163787 U JP6163787 U JP 6163787U JP S63169063 U JPS63169063 U JP S63169063U
- Authority
- JP
- Japan
- Prior art keywords
- ventilation hole
- paper
- extended portion
- fixed
- dust collection
- 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
- 239000000428 dust Substances 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Filters For Electric Vacuum Cleaners (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6163787U JPS63169063U (it) | 1987-04-22 | 1987-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6163787U JPS63169063U (it) | 1987-04-22 | 1987-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63169063U true JPS63169063U (it) | 1988-11-02 |
Family
ID=30895156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6163787U Pending JPS63169063U (it) | 1987-04-22 | 1987-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63169063U (it) |
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1987
- 1987-04-22 JP JP6163787U patent/JPS63169063U/ja active Pending