JPH043758U - - Google Patents
Info
- Publication number
- JPH043758U JPH043758U JP4252690U JP4252690U JPH043758U JP H043758 U JPH043758 U JP H043758U JP 4252690 U JP4252690 U JP 4252690U JP 4252690 U JP4252690 U JP 4252690U JP H043758 U JPH043758 U JP H043758U
- Authority
- JP
- Japan
- Prior art keywords
- helmet
- air supply
- evacuation
- see
- window
- 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
- 239000011148 porous material Substances 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4252690U JPH043758U (cs) | 1990-04-23 | 1990-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4252690U JPH043758U (cs) | 1990-04-23 | 1990-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH043758U true JPH043758U (cs) | 1992-01-14 |
Family
ID=31554148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4252690U Pending JPH043758U (cs) | 1990-04-23 | 1990-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH043758U (cs) |
-
1990
- 1990-04-23 JP JP4252690U patent/JPH043758U/ja active Pending