| 发明名称 |
Filter device and method. |
| 摘要 |
<p>A filter device comprises a board (1) or the like of mica and a binder, which has been perforated (2) and is useful in the filtering of molten metals.</p> |
| 申请公布号 |
EP0239305(A1) |
申请公布日期 |
1987.09.30 |
| 申请号 |
EP19870302283 |
申请日期 |
1987.03.17 |
| 申请人 |
EAST LONDON MICA LIMITED |
发明人 |
WEISS, STEPHEN STEWART |
| 分类号 |
B01D39/20;B22C9/08;C22B9/02;C22B21/06;(IPC1-7):B01D39/20;B22D43/00 |
主分类号 |
B01D39/20 |
| 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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