JPS61162731U - - Google Patents
Info
- Publication number
- JPS61162731U JPS61162731U JP4490785U JP4490785U JPS61162731U JP S61162731 U JPS61162731 U JP S61162731U JP 4490785 U JP4490785 U JP 4490785U JP 4490785 U JP4490785 U JP 4490785U JP S61162731 U JPS61162731 U JP S61162731U
- Authority
- JP
- Japan
- Prior art keywords
- dust
- entering
- utility
- attached
- scope
- 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 1
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4490785U JPS61162731U (enExample) | 1985-03-29 | 1985-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4490785U JPS61162731U (enExample) | 1985-03-29 | 1985-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61162731U true JPS61162731U (enExample) | 1986-10-08 |
Family
ID=30557915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4490785U Pending JPS61162731U (enExample) | 1985-03-29 | 1985-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61162731U (enExample) |
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1985
- 1985-03-29 JP JP4490785U patent/JPS61162731U/ja active Pending