JPH0432753U - - Google Patents
Info
- Publication number
- JPH0432753U JPH0432753U JP7528790U JP7528790U JPH0432753U JP H0432753 U JPH0432753 U JP H0432753U JP 7528790 U JP7528790 U JP 7528790U JP 7528790 U JP7528790 U JP 7528790U JP H0432753 U JPH0432753 U JP H0432753U
- Authority
- JP
- Japan
- Prior art keywords
- mask
- dust
- air
- smoke
- wearer
- 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 4
- 239000000779 smoke Substances 0.000 claims description 4
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7528790U JPH0432753U (it) | 1990-07-17 | 1990-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7528790U JPH0432753U (it) | 1990-07-17 | 1990-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0432753U true JPH0432753U (it) | 1992-03-17 |
Family
ID=31615735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7528790U Pending JPH0432753U (it) | 1990-07-17 | 1990-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432753U (it) |
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1990
- 1990-07-17 JP JP7528790U patent/JPH0432753U/ja active Pending