JPH03114260U - - Google Patents
Info
- Publication number
- JPH03114260U JPH03114260U JP2165290U JP2165290U JPH03114260U JP H03114260 U JPH03114260 U JP H03114260U JP 2165290 U JP2165290 U JP 2165290U JP 2165290 U JP2165290 U JP 2165290U JP H03114260 U JPH03114260 U JP H03114260U
- Authority
- JP
- Japan
- Prior art keywords
- mask
- filter
- mask body
- metal plate
- 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
- 239000004744 fabric Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2165290U JPH03114260U (zh) | 1990-03-02 | 1990-03-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2165290U JPH03114260U (zh) | 1990-03-02 | 1990-03-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03114260U true JPH03114260U (zh) | 1991-11-22 |
Family
ID=31524688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2165290U Pending JPH03114260U (zh) | 1990-03-02 | 1990-03-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03114260U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014000250A (ja) * | 2012-06-19 | 2014-01-09 | Masaru Imaizumi | マスク |
-
1990
- 1990-03-02 JP JP2165290U patent/JPH03114260U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014000250A (ja) * | 2012-06-19 | 2014-01-09 | Masaru Imaizumi | マスク |