| 发明名称 |
FILTER DEVICE |
| 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 |
GB2187971(B) |
申请公布日期 |
1989.11.15 |
| 申请号 |
GB19860006539 |
申请日期 |
1986.03.17 |
| 申请人 |
* EAST LONDON MICA LIMITED |
发明人 |
STEPHEN STEWART * WEISS |
| 分类号 |
B01D39/20;B22C9/08;C22B9/02;C22B21/06 |
主分类号 |
B01D39/20 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
