| 发明名称 |
IMPROVEMENTS IN OR RELATING TO RESPIRATORY PROTECTIVE EQUIPMENT |
| 摘要 |
Respiratory protective equipment comprises a low flow resistance catalyst (14) in combination with a pre-filter (20) upstream of the catalyst.
|
| 申请公布号 |
WO9507115(A1) |
申请公布日期 |
1995.03.16 |
| 申请号 |
WO1994GB01949 |
申请日期 |
1994.09.08 |
| 申请人 |
COAL INDUSTRY (PATENTS) LIMITED;ORR, DAVID, HUGH |
发明人 |
ORR, DAVID, HUGH |
| 分类号 |
A62B19/02;(IPC1-7):A62B19/02 |
主分类号 |
A62B19/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
