| 发明名称 |
FILTER UNITS HAVING WELDED CELLULOSE FILTERS |
| 摘要 |
A plastics filterware unit has a filter membrane (22) made at least in part of cellulose nitrate welded to a support member (18) in the filterware unit. |
| 申请公布号 |
DE3760845(D1) |
申请公布日期 |
1989.11.30 |
| 申请号 |
DE19873760845 |
申请日期 |
1987.06.01 |
| 申请人 |
NALGE COMPANY |
发明人 |
RELYEA, ROBERT GRAYDON |
| 分类号 |
B01D29/01;B01D35/02;B01D61/18;B01D63/08;B01D71/10;(IPC1-7):B01D23/28;B01D13/00;B01D29/00 |
主分类号 |
B01D29/01 |
| 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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