JPH0165049U - - Google Patents
Info
- Publication number
- JPH0165049U JPH0165049U JP1987159932U JP15993287U JPH0165049U JP H0165049 U JPH0165049 U JP H0165049U JP 1987159932 U JP1987159932 U JP 1987159932U JP 15993287 U JP15993287 U JP 15993287U JP H0165049 U JPH0165049 U JP H0165049U
- Authority
- JP
- Japan
- Prior art keywords
- filter case
- intake port
- case body
- filter
- case cover
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000000428 dust Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159932U JPH0165049U (da) | 1987-10-21 | 1987-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159932U JPH0165049U (da) | 1987-10-21 | 1987-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165049U true JPH0165049U (da) | 1989-04-26 |
Family
ID=31441571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987159932U Pending JPH0165049U (da) | 1987-10-21 | 1987-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165049U (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4732394B2 (ja) * | 2007-03-30 | 2011-07-27 | 興研株式会社 | マスク |
-
1987
- 1987-10-21 JP JP1987159932U patent/JPH0165049U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4732394B2 (ja) * | 2007-03-30 | 2011-07-27 | 興研株式会社 | マスク |
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