JPS63169064U - - Google Patents
Info
- Publication number
- JPS63169064U JPS63169064U JP6163887U JP6163887U JPS63169064U JP S63169064 U JPS63169064 U JP S63169064U JP 6163887 U JP6163887 U JP 6163887U JP 6163887 U JP6163887 U JP 6163887U JP S63169064 U JPS63169064 U JP S63169064U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- ventilation hole
- approximately
- lid body
- fixed
- 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 7
- 238000009423 ventilation Methods 0.000 claims description 6
Landscapes
- Filters For Electric Vacuum Cleaners (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6163887U JPS63169064U (is) | 1987-04-22 | 1987-04-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6163887U JPS63169064U (is) | 1987-04-22 | 1987-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63169064U true JPS63169064U (is) | 1988-11-02 |
Family
ID=30895158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6163887U Pending JPS63169064U (is) | 1987-04-22 | 1987-04-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63169064U (is) |
-
1987
- 1987-04-22 JP JP6163887U patent/JPS63169064U/ja active Pending