| 发明名称 |
(B C) ;FILTER |
| 摘要 |
A fibrous element comprising an elongated structure having a fibrous core with the fibres arranged in random orientation, said core being stiffened and enclosed by a fibrous crust integral with the core and formed as a surface layer of greater density. |
| 申请公布号 |
FI772298(A) |
申请公布日期 |
1978.02.03 |
| 申请号 |
FI19770002298 |
申请日期 |
1977.07.27 |
| 申请人 |
WIGGINS TEAPE LTD |
发明人 |
GREEN KIERON PHILIP;INGLIS BRUCE REYNOLDS;ALLEN ROGER ANTHONY;TRINGHAM ROGER WHERWELL |
| 分类号 |
B01D46/30;A24D3/04;A24D3/06;A24D3/10;B01D39/14;B01D39/16;B01D39/18;(IPC1-7):A24C/ |
主分类号 |
B01D46/30 |
| 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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