| 发明名称 |
Resilient shape-retaining fibrous filtration face mask. |
| 摘要 |
<p>Resilient shape-retaining face mask (10) comprising molded, bonded, high-basis-weight, lofty fibrous shaping layers (15, 17) and a fibrous filtration layer (16).</p> |
| 申请公布号 |
EP0241221(A1) |
申请公布日期 |
1987.10.14 |
| 申请号 |
EP19870302882 |
申请日期 |
1987.04.02 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
| 分类号 |
A62B18/02;A61M16/06;A41D13/11;A62B7/10;A62B23/02;A62D7/00;B01D39/16;B32B5/26;D04H1/42;D04H1/54;(IPC1-7):A41D13/00 |
主分类号 |
A62B18/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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