JPH0172258U - - Google Patents
Info
- Publication number
- JPH0172258U JPH0172258U JP1987168031U JP16803187U JPH0172258U JP H0172258 U JPH0172258 U JP H0172258U JP 1987168031 U JP1987168031 U JP 1987168031U JP 16803187 U JP16803187 U JP 16803187U JP H0172258 U JPH0172258 U JP H0172258U
- Authority
- JP
- Japan
- Prior art keywords
- face
- hood
- opening
- dustproof hood
- mouth
- 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
Landscapes
- Ventilation (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168031U JPH0172258U (no) | 1987-11-02 | 1987-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168031U JPH0172258U (no) | 1987-11-02 | 1987-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0172258U true JPH0172258U (no) | 1989-05-15 |
Family
ID=31456853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987168031U Pending JPH0172258U (no) | 1987-11-02 | 1987-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0172258U (no) |
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1987
- 1987-11-02 JP JP1987168031U patent/JPH0172258U/ja active Pending